osm_lcm/ns.py

   1 # -*- coding: utf-8 -*-
   2
   3 ##
   4 # Copyright 2018 Telefonica S.A.
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   7 # not use this file except in compliance with the License. You may obtain
   8 # a copy of the License at
   9 #
  10 #         http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  14 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  15 # License for the specific language governing permissions and limitations
  16 # under the License.
  17 ##
  18
  19 import asyncio
  20 import yaml
  21 import logging
  22 import logging.handlers
  23 import traceback
  24 import json
  25 from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError
  26
  27 from osm_lcm import ROclient
  28 from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase, deep_get, get_iterable, populate_dict
  29 from n2vc.k8s_helm_conn import K8sHelmConnector
  30 from n2vc.k8s_juju_conn import K8sJujuConnector
  31
  32 from osm_common.dbbase import DbException
  33 from osm_common.fsbase import FsException
  34
  35 from n2vc.n2vc_juju_conn import N2VCJujuConnector
  36 from n2vc.exceptions import N2VCException
  37
  38 from copy import copy, deepcopy
  39 from http import HTTPStatus
  40 from time import time
  41 from uuid import uuid4
  42
  43 __author__ = "Alfonso Tierno"
  44
  45
  46 class NsLcm(LcmBase):
  47     timeout_vca_on_error = 5 * 60   # Time for charm from first time at blocked,error status to mark as failed
  48     timeout_ns_deploy = 2 * 3600   # default global timeout for deployment a ns
  49     timeout_charm_delete = 10 * 60
  50     timeout_primitive = 10 * 60  # timeout for primitive execution
  51
  52     SUBOPERATION_STATUS_NOT_FOUND = -1
  53     SUBOPERATION_STATUS_NEW = -2
  54     SUBOPERATION_STATUS_SKIP = -3
  55
  56     def __init__(self, db, msg, fs, lcm_tasks, config, loop):
  57         """
  58         Init, Connect to database, filesystem storage, and messaging
  59         :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
  60         :return: None
  61         """
  62         super().__init__(
  63             db=db,
  64             msg=msg,
  65             fs=fs,
  66             logger=logging.getLogger('lcm.ns')
  67         )
  68
  69         self.loop = loop
  70         self.lcm_tasks = lcm_tasks
  71         self.timeout = config["timeout"]
  72         self.ro_config = config["ro_config"]
  73         self.vca_config = config["VCA"].copy()
  74
  75         # create N2VC connector
  76         self.n2vc = N2VCJujuConnector(
  77             db=self.db,
  78             fs=self.fs,
  79             log=self.logger,
  80             loop=self.loop,
  81             url='{}:{}'.format(self.vca_config['host'], self.vca_config['port']),
  82             username=self.vca_config.get('user', None),
  83             vca_config=self.vca_config,
  84             on_update_db=self._on_update_n2vc_db
  85         )
  86
  87         self.k8sclusterhelm = K8sHelmConnector(
  88             kubectl_command=self.vca_config.get("kubectlpath"),
  89             helm_command=self.vca_config.get("helmpath"),
  90             fs=self.fs,
  91             log=self.logger,
  92             db=self.db,
  93             on_update_db=None,
  94         )
  95
  96         self.k8sclusterjuju = K8sJujuConnector(
  97             kubectl_command=self.vca_config.get("kubectlpath"),
  98             juju_command=self.vca_config.get("jujupath"),
  99             fs=self.fs,
 100             log=self.logger,
 101             db=self.db,
 102             on_update_db=None,
 103         )
 104
 105         # create RO client
 106         self.RO = ROclient.ROClient(self.loop, **self.ro_config)
 107
 108     def _on_update_ro_db(self, nsrs_id, ro_descriptor):
 109
 110         # self.logger.debug('_on_update_ro_db(nsrs_id={}'.format(nsrs_id))
 111
 112         try:
 113             # TODO filter RO descriptor fields...
 114
 115             # write to database
 116             db_dict = dict()
 117             # db_dict['deploymentStatus'] = yaml.dump(ro_descriptor, default_flow_style=False, indent=2)
 118             db_dict['deploymentStatus'] = ro_descriptor
 119             self.update_db_2("nsrs", nsrs_id, db_dict)
 120
 121         except Exception as e:
 122             self.logger.warn('Cannot write database RO deployment for ns={} -> {}'.format(nsrs_id, e))
 123
 124     async def _on_update_n2vc_db(self, table, filter, path, updated_data):
 125
 126         # remove last dot from path (if exists)
 127         if path.endswith('.'):
 128             path = path[:-1]
 129
 130         # self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}'
 131         #                   .format(table, filter, path, updated_data))
 132
 133         try:
 134
 135             nsr_id = filter.get('_id')
 136
 137             # read ns record from database
 138             nsr = self.db.get_one(table='nsrs', q_filter=filter)
 139             current_ns_status = nsr.get('nsState')
 140
 141             # get vca status for NS
 142             status_dict = await self.n2vc.get_status(namespace='.' + nsr_id, yaml_format=False)
 143
 144             # vcaStatus
 145             db_dict = dict()
 146             db_dict['vcaStatus'] = status_dict
 147
 148             # update configurationStatus for this VCA
 149             try:
 150                 vca_index = int(path[path.rfind(".")+1:])
 151
 152                 vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA'))
 153                 vca_status = vca_list[vca_index].get('status')
 154
 155                 configuration_status_list = nsr.get('configurationStatus')
 156                 config_status = configuration_status_list[vca_index].get('status')
 157
 158                 if config_status == 'BROKEN' and vca_status != 'failed':
 159                     db_dict['configurationStatus'][vca_index] = 'READY'
 160                 elif config_status != 'BROKEN' and vca_status == 'failed':
 161                     db_dict['configurationStatus'][vca_index] = 'BROKEN'
 162             except Exception as e:
 163                 # not update configurationStatus
 164                 self.logger.debug('Error updating vca_index (ignore): {}'.format(e))
 165
 166             # if nsState = 'READY' check if juju is reporting some error => nsState = 'DEGRADED'
 167             # if nsState = 'DEGRADED' check if all is OK
 168             is_degraded = False
 169             if current_ns_status in ('READY', 'DEGRADED'):
 170                 error_description = ''
 171                 # check machines
 172                 if status_dict.get('machines'):
 173                     for machine_id in status_dict.get('machines'):
 174                         machine = status_dict.get('machines').get(machine_id)
 175                         # check machine agent-status
 176                         if machine.get('agent-status'):
 177                             s = machine.get('agent-status').get('status')
 178                             if s != 'started':
 179                                 is_degraded = True
 180                                 error_description += 'machine {} agent-status={} ; '.format(machine_id, s)
 181                         # check machine instance status
 182                         if machine.get('instance-status'):
 183                             s = machine.get('instance-status').get('status')
 184                             if s != 'running':
 185                                 is_degraded = True
 186                                 error_description += 'machine {} instance-status={} ; '.format(machine_id, s)
 187                 # check applications
 188                 if status_dict.get('applications'):
 189                     for app_id in status_dict.get('applications'):
 190                         app = status_dict.get('applications').get(app_id)
 191                         # check application status
 192                         if app.get('status'):
 193                             s = app.get('status').get('status')
 194                             if s != 'active':
 195                                 is_degraded = True
 196                                 error_description += 'application {} status={} ; '.format(app_id, s)
 197
 198                 if error_description:
 199                     db_dict['errorDescription'] = error_description
 200                 if current_ns_status == 'READY' and is_degraded:
 201                     db_dict['nsState'] = 'DEGRADED'
 202                 if current_ns_status == 'DEGRADED' and not is_degraded:
 203                     db_dict['nsState'] = 'READY'
 204
 205             # write to database
 206             self.update_db_2("nsrs", nsr_id, db_dict)
 207
 208         except Exception as e:
 209             self.logger.warn('Error updating NS state for ns={}: {}'.format(nsr_id, e))
 210
 211         return
 212
 213     def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None):
 214         """
 215         Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd
 216         :param vnfd: input vnfd
 217         :param new_id: overrides vnf id if provided
 218         :param additionalParams: Instantiation params for VNFs provided
 219         :param nsrId: Id of the NSR
 220         :return: copy of vnfd
 221         """
 222         try:
 223             vnfd_RO = deepcopy(vnfd)
 224             # remove unused by RO configuration, monitoring, scaling and internal keys
 225             vnfd_RO.pop("_id", None)
 226             vnfd_RO.pop("_admin", None)
 227             vnfd_RO.pop("vnf-configuration", None)
 228             vnfd_RO.pop("monitoring-param", None)
 229             vnfd_RO.pop("scaling-group-descriptor", None)
 230             vnfd_RO.pop("kdu", None)
 231             vnfd_RO.pop("k8s-cluster", None)
 232             if new_id:
 233                 vnfd_RO["id"] = new_id
 234
 235             # parse cloud-init or cloud-init-file with the provided variables using Jinja2
 236             for vdu in get_iterable(vnfd_RO, "vdu"):
 237                 cloud_init_file = None
 238                 if vdu.get("cloud-init-file"):
 239                     base_folder = vnfd["_admin"]["storage"]
 240                     cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"],
 241                                                                    vdu["cloud-init-file"])
 242                     with self.fs.file_open(cloud_init_file, "r") as ci_file:
 243                         cloud_init_content = ci_file.read()
 244                     vdu.pop("cloud-init-file", None)
 245                 elif vdu.get("cloud-init"):
 246                     cloud_init_content = vdu["cloud-init"]
 247                 else:
 248                     continue
 249
 250                 env = Environment()
 251                 ast = env.parse(cloud_init_content)
 252                 mandatory_vars = meta.find_undeclared_variables(ast)
 253                 if mandatory_vars:
 254                     for var in mandatory_vars:
 255                         if not additionalParams or var not in additionalParams.keys():
 256                             raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-"
 257                                                "file, must be provided in the instantiation parameters inside the "
 258                                                "'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"]))
 259                 template = Template(cloud_init_content)
 260                 cloud_init_content = template.render(additionalParams or {})
 261                 vdu["cloud-init"] = cloud_init_content
 262
 263             return vnfd_RO
 264         except FsException as e:
 265             raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}".
 266                                format(vnfd["id"], vdu["id"], cloud_init_file, e))
 267         except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e:
 268             raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}".
 269                                format(vnfd["id"], vdu["id"], e))
 270
 271     def ns_params_2_RO(self, ns_params, nsd, vnfd_dict, n2vc_key_list):
 272         """
 273         Creates a RO ns descriptor from OSM ns_instantiate params
 274         :param ns_params: OSM instantiate params
 275         :return: The RO ns descriptor
 276         """
 277         vim_2_RO = {}
 278         wim_2_RO = {}
 279         # TODO feature 1417: Check that no instantiation is set over PDU
 280         # check if PDU forces a concrete vim-network-id and add it
 281         # check if PDU contains a SDN-assist info (dpid, switch, port) and pass it to RO
 282
 283         def vim_account_2_RO(vim_account):
 284             if vim_account in vim_2_RO:
 285                 return vim_2_RO[vim_account]
 286
 287             db_vim = self.db.get_one("vim_accounts", {"_id": vim_account})
 288             if db_vim["_admin"]["operationalState"] != "ENABLED":
 289                 raise LcmException("VIM={} is not available. operationalState={}".format(
 290                     vim_account, db_vim["_admin"]["operationalState"]))
 291             RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
 292             vim_2_RO[vim_account] = RO_vim_id
 293             return RO_vim_id
 294
 295         def wim_account_2_RO(wim_account):
 296             if isinstance(wim_account, str):
 297                 if wim_account in wim_2_RO:
 298                     return wim_2_RO[wim_account]
 299
 300                 db_wim = self.db.get_one("wim_accounts", {"_id": wim_account})
 301                 if db_wim["_admin"]["operationalState"] != "ENABLED":
 302                     raise LcmException("WIM={} is not available. operationalState={}".format(
 303                         wim_account, db_wim["_admin"]["operationalState"]))
 304                 RO_wim_id = db_wim["_admin"]["deployed"]["RO-account"]
 305                 wim_2_RO[wim_account] = RO_wim_id
 306                 return RO_wim_id
 307             else:
 308                 return wim_account
 309
 310         def ip_profile_2_RO(ip_profile):
 311             RO_ip_profile = deepcopy((ip_profile))
 312             if "dns-server" in RO_ip_profile:
 313                 if isinstance(RO_ip_profile["dns-server"], list):
 314                     RO_ip_profile["dns-address"] = []
 315                     for ds in RO_ip_profile.pop("dns-server"):
 316                         RO_ip_profile["dns-address"].append(ds['address'])
 317                 else:
 318                     RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server")
 319             if RO_ip_profile.get("ip-version") == "ipv4":
 320                 RO_ip_profile["ip-version"] = "IPv4"
 321             if RO_ip_profile.get("ip-version") == "ipv6":
 322                 RO_ip_profile["ip-version"] = "IPv6"
 323             if "dhcp-params" in RO_ip_profile:
 324                 RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params")
 325             return RO_ip_profile
 326
 327         if not ns_params:
 328             return None
 329         RO_ns_params = {
 330             # "name": ns_params["nsName"],
 331             # "description": ns_params.get("nsDescription"),
 332             "datacenter": vim_account_2_RO(ns_params["vimAccountId"]),
 333             "wim_account": wim_account_2_RO(ns_params.get("wimAccountId")),
 334             # "scenario": ns_params["nsdId"],
 335         }
 336
 337         n2vc_key_list = n2vc_key_list or []
 338         for vnfd_ref, vnfd in vnfd_dict.items():
 339             vdu_needed_access = []
 340             mgmt_cp = None
 341             if vnfd.get("vnf-configuration"):
 342                 ssh_required = deep_get(vnfd, ("vnf-configuration", "config-access", "ssh-access", "required"))
 343                 if ssh_required and vnfd.get("mgmt-interface"):
 344                     if vnfd["mgmt-interface"].get("vdu-id"):
 345                         vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"])
 346                     elif vnfd["mgmt-interface"].get("cp"):
 347                         mgmt_cp = vnfd["mgmt-interface"]["cp"]
 348
 349             for vdu in vnfd.get("vdu", ()):
 350                 if vdu.get("vdu-configuration"):
 351                     ssh_required = deep_get(vdu, ("vdu-configuration", "config-access", "ssh-access", "required"))
 352                     if ssh_required:
 353                         vdu_needed_access.append(vdu["id"])
 354                 elif mgmt_cp:
 355                     for vdu_interface in vdu.get("interface"):
 356                         if vdu_interface.get("external-connection-point-ref") and \
 357                                 vdu_interface["external-connection-point-ref"] == mgmt_cp:
 358                             vdu_needed_access.append(vdu["id"])
 359                             mgmt_cp = None
 360                             break
 361
 362             if vdu_needed_access:
 363                 for vnf_member in nsd.get("constituent-vnfd"):
 364                     if vnf_member["vnfd-id-ref"] != vnfd_ref:
 365                         continue
 366                     for vdu in vdu_needed_access:
 367                         populate_dict(RO_ns_params,
 368                                       ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"),
 369                                       n2vc_key_list)
 370
 371         if ns_params.get("vduImage"):
 372             RO_ns_params["vduImage"] = ns_params["vduImage"]
 373
 374         if ns_params.get("ssh_keys"):
 375             RO_ns_params["cloud-config"] = {"key-pairs": ns_params["ssh_keys"]}
 376         for vnf_params in get_iterable(ns_params, "vnf"):
 377             for constituent_vnfd in nsd["constituent-vnfd"]:
 378                 if constituent_vnfd["member-vnf-index"] == vnf_params["member-vnf-index"]:
 379                     vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
 380                     break
 381             else:
 382                 raise LcmException("Invalid instantiate parameter vnf:member-vnf-index={} is not present at nsd:"
 383                                    "constituent-vnfd".format(vnf_params["member-vnf-index"]))
 384             if vnf_params.get("vimAccountId"):
 385                 populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "datacenter"),
 386                               vim_account_2_RO(vnf_params["vimAccountId"]))
 387
 388             for vdu_params in get_iterable(vnf_params, "vdu"):
 389                 # TODO feature 1417: check that this VDU exist and it is not a PDU
 390                 if vdu_params.get("volume"):
 391                     for volume_params in vdu_params["volume"]:
 392                         if volume_params.get("vim-volume-id"):
 393                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 394                                                          vdu_params["id"], "devices", volume_params["name"], "vim_id"),
 395                                           volume_params["vim-volume-id"])
 396                 if vdu_params.get("interface"):
 397                     for interface_params in vdu_params["interface"]:
 398                         if interface_params.get("ip-address"):
 399                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 400                                                          vdu_params["id"], "interfaces", interface_params["name"],
 401                                                          "ip_address"),
 402                                           interface_params["ip-address"])
 403                         if interface_params.get("mac-address"):
 404                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 405                                                          vdu_params["id"], "interfaces", interface_params["name"],
 406                                                          "mac_address"),
 407                                           interface_params["mac-address"])
 408                         if interface_params.get("floating-ip-required"):
 409                             populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 410                                                          vdu_params["id"], "interfaces", interface_params["name"],
 411                                                          "floating-ip"),
 412                                           interface_params["floating-ip-required"])
 413
 414             for internal_vld_params in get_iterable(vnf_params, "internal-vld"):
 415                 if internal_vld_params.get("vim-network-name"):
 416                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 417                                                  internal_vld_params["name"], "vim-network-name"),
 418                                   internal_vld_params["vim-network-name"])
 419                 if internal_vld_params.get("vim-network-id"):
 420                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 421                                                  internal_vld_params["name"], "vim-network-id"),
 422                                   internal_vld_params["vim-network-id"])
 423                 if internal_vld_params.get("ip-profile"):
 424                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 425                                                  internal_vld_params["name"], "ip-profile"),
 426                                   ip_profile_2_RO(internal_vld_params["ip-profile"]))
 427                 if internal_vld_params.get("provider-network"):
 428
 429                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks",
 430                                                  internal_vld_params["name"], "provider-network"),
 431                                   internal_vld_params["provider-network"].copy())
 432
 433                 for icp_params in get_iterable(internal_vld_params, "internal-connection-point"):
 434                     # look for interface
 435                     iface_found = False
 436                     for vdu_descriptor in vnf_descriptor["vdu"]:
 437                         for vdu_interface in vdu_descriptor["interface"]:
 438                             if vdu_interface.get("internal-connection-point-ref") == icp_params["id-ref"]:
 439                                 if icp_params.get("ip-address"):
 440                                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 441                                                                  vdu_descriptor["id"], "interfaces",
 442                                                                  vdu_interface["name"], "ip_address"),
 443                                                   icp_params["ip-address"])
 444
 445                                 if icp_params.get("mac-address"):
 446                                     populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus",
 447                                                                  vdu_descriptor["id"], "interfaces",
 448                                                                  vdu_interface["name"], "mac_address"),
 449                                                   icp_params["mac-address"])
 450                                 iface_found = True
 451                                 break
 452                         if iface_found:
 453                             break
 454                     else:
 455                         raise LcmException("Invalid instantiate parameter vnf:member-vnf-index[{}]:"
 456                                            "internal-vld:id-ref={} is not present at vnfd:internal-"
 457                                            "connection-point".format(vnf_params["member-vnf-index"],
 458                                                                      icp_params["id-ref"]))
 459
 460         for vld_params in get_iterable(ns_params, "vld"):
 461             if "ip-profile" in vld_params:
 462                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "ip-profile"),
 463                               ip_profile_2_RO(vld_params["ip-profile"]))
 464
 465             if vld_params.get("provider-network"):
 466
 467                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "provider-network"),
 468                               vld_params["provider-network"].copy())
 469
 470             if "wimAccountId" in vld_params and vld_params["wimAccountId"] is not None:
 471                 populate_dict(RO_ns_params, ("networks", vld_params["name"], "wim_account"),
 472                               wim_account_2_RO(vld_params["wimAccountId"])),
 473             if vld_params.get("vim-network-name"):
 474                 RO_vld_sites = []
 475                 if isinstance(vld_params["vim-network-name"], dict):
 476                     for vim_account, vim_net in vld_params["vim-network-name"].items():
 477                         RO_vld_sites.append({
 478                             "netmap-use": vim_net,
 479                             "datacenter": vim_account_2_RO(vim_account)
 480                         })
 481                 else:  # isinstance str
 482                     RO_vld_sites.append({"netmap-use": vld_params["vim-network-name"]})
 483                 if RO_vld_sites:
 484                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
 485
 486             if vld_params.get("vim-network-id"):
 487                 RO_vld_sites = []
 488                 if isinstance(vld_params["vim-network-id"], dict):
 489                     for vim_account, vim_net in vld_params["vim-network-id"].items():
 490                         RO_vld_sites.append({
 491                             "netmap-use": vim_net,
 492                             "datacenter": vim_account_2_RO(vim_account)
 493                         })
 494                 else:  # isinstance str
 495                     RO_vld_sites.append({"netmap-use": vld_params["vim-network-id"]})
 496                 if RO_vld_sites:
 497                     populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites)
 498             if vld_params.get("ns-net"):
 499                 if isinstance(vld_params["ns-net"], dict):
 500                     for vld_id, instance_scenario_id in vld_params["ns-net"].items():
 501                         RO_vld_ns_net = {"instance_scenario_id": instance_scenario_id, "osm_id": vld_id}
 502                         populate_dict(RO_ns_params, ("networks", vld_params["name"], "use-network"), RO_vld_ns_net)
 503             if "vnfd-connection-point-ref" in vld_params:
 504                 for cp_params in vld_params["vnfd-connection-point-ref"]:
 505                     # look for interface
 506                     for constituent_vnfd in nsd["constituent-vnfd"]:
 507                         if constituent_vnfd["member-vnf-index"] == cp_params["member-vnf-index-ref"]:
 508                             vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]]
 509                             break
 510                     else:
 511                         raise LcmException(
 512                             "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={} "
 513                             "is not present at nsd:constituent-vnfd".format(cp_params["member-vnf-index-ref"]))
 514                     match_cp = False
 515                     for vdu_descriptor in vnf_descriptor["vdu"]:
 516                         for interface_descriptor in vdu_descriptor["interface"]:
 517                             if interface_descriptor.get("external-connection-point-ref") == \
 518                                     cp_params["vnfd-connection-point-ref"]:
 519                                 match_cp = True
 520                                 break
 521                         if match_cp:
 522                             break
 523                     else:
 524                         raise LcmException(
 525                             "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={}:"
 526                             "vnfd-connection-point-ref={} is not present at vnfd={}".format(
 527                                 cp_params["member-vnf-index-ref"],
 528                                 cp_params["vnfd-connection-point-ref"],
 529                                 vnf_descriptor["id"]))
 530                     if cp_params.get("ip-address"):
 531                         populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
 532                                                      vdu_descriptor["id"], "interfaces",
 533                                                      interface_descriptor["name"], "ip_address"),
 534                                       cp_params["ip-address"])
 535                     if cp_params.get("mac-address"):
 536                         populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus",
 537                                                      vdu_descriptor["id"], "interfaces",
 538                                                      interface_descriptor["name"], "mac_address"),
 539                                       cp_params["mac-address"])
 540         return RO_ns_params
 541
 542     def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None):
 543         # make a copy to do not change
 544         vdu_create = copy(vdu_create)
 545         vdu_delete = copy(vdu_delete)
 546
 547         vdurs = db_vnfr.get("vdur")
 548         if vdurs is None:
 549             vdurs = []
 550         vdu_index = len(vdurs)
 551         while vdu_index:
 552             vdu_index -= 1
 553             vdur = vdurs[vdu_index]
 554             if vdur.get("pdu-type"):
 555                 continue
 556             vdu_id_ref = vdur["vdu-id-ref"]
 557             if vdu_create and vdu_create.get(vdu_id_ref):
 558                 for index in range(0, vdu_create[vdu_id_ref]):
 559                     vdur = deepcopy(vdur)
 560                     vdur["_id"] = str(uuid4())
 561                     vdur["count-index"] += 1
 562                     vdurs.insert(vdu_index+1+index, vdur)
 563                 del vdu_create[vdu_id_ref]
 564             if vdu_delete and vdu_delete.get(vdu_id_ref):
 565                 del vdurs[vdu_index]
 566                 vdu_delete[vdu_id_ref] -= 1
 567                 if not vdu_delete[vdu_id_ref]:
 568                     del vdu_delete[vdu_id_ref]
 569         # check all operations are done
 570         if vdu_create or vdu_delete:
 571             raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
 572                 vdu_create))
 573         if vdu_delete:
 574             raise LcmException("Error scaling IN VNFR for {}. There is not any existing vnfr. Scaled to 0?".format(
 575                 vdu_delete))
 576
 577         vnfr_update = {"vdur": vdurs}
 578         db_vnfr["vdur"] = vdurs
 579         self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 580
 581     def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO):
 582         """
 583         Updates database nsr with the RO info for the created vld
 584         :param ns_update_nsr: dictionary to be filled with the updated info
 585         :param db_nsr: content of db_nsr. This is also modified
 586         :param nsr_desc_RO: nsr descriptor from RO
 587         :return: Nothing, LcmException is raised on errors
 588         """
 589
 590         for vld_index, vld in enumerate(get_iterable(db_nsr, "vld")):
 591             for net_RO in get_iterable(nsr_desc_RO, "nets"):
 592                 if vld["id"] != net_RO.get("ns_net_osm_id"):
 593                     continue
 594                 vld["vim-id"] = net_RO.get("vim_net_id")
 595                 vld["name"] = net_RO.get("vim_name")
 596                 vld["status"] = net_RO.get("status")
 597                 vld["status-detailed"] = net_RO.get("error_msg")
 598                 ns_update_nsr["vld.{}".format(vld_index)] = vld
 599                 break
 600             else:
 601                 raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"]))
 602
 603     def ns_update_vnfr(self, db_vnfrs, nsr_desc_RO):
 604         """
 605         Updates database vnfr with the RO info, e.g. ip_address, vim_id... Descriptor db_vnfrs is also updated
 606         :param db_vnfrs: dictionary with member-vnf-index: vnfr-content
 607         :param nsr_desc_RO: nsr descriptor from RO
 608         :return: Nothing, LcmException is raised on errors
 609         """
 610         for vnf_index, db_vnfr in db_vnfrs.items():
 611             for vnf_RO in nsr_desc_RO["vnfs"]:
 612                 if vnf_RO["member_vnf_index"] != vnf_index:
 613                     continue
 614                 vnfr_update = {}
 615                 if vnf_RO.get("ip_address"):
 616                     db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["ip_address"].split(";")[0]
 617                 elif not db_vnfr.get("ip-address"):
 618                     if db_vnfr.get("vdur"):   # if not VDUs, there is not ip_address
 619                         raise LcmExceptionNoMgmtIP("ns member_vnf_index '{}' has no IP address".format(vnf_index))
 620
 621                 for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")):
 622                     vdur_RO_count_index = 0
 623                     if vdur.get("pdu-type"):
 624                         continue
 625                     for vdur_RO in get_iterable(vnf_RO, "vms"):
 626                         if vdur["vdu-id-ref"] != vdur_RO["vdu_osm_id"]:
 627                             continue
 628                         if vdur["count-index"] != vdur_RO_count_index:
 629                             vdur_RO_count_index += 1
 630                             continue
 631                         vdur["vim-id"] = vdur_RO.get("vim_vm_id")
 632                         if vdur_RO.get("ip_address"):
 633                             vdur["ip-address"] = vdur_RO["ip_address"].split(";")[0]
 634                         else:
 635                             vdur["ip-address"] = None
 636                         vdur["vdu-id-ref"] = vdur_RO.get("vdu_osm_id")
 637                         vdur["name"] = vdur_RO.get("vim_name")
 638                         vdur["status"] = vdur_RO.get("status")
 639                         vdur["status-detailed"] = vdur_RO.get("error_msg")
 640                         for ifacer in get_iterable(vdur, "interfaces"):
 641                             for interface_RO in get_iterable(vdur_RO, "interfaces"):
 642                                 if ifacer["name"] == interface_RO.get("internal_name"):
 643                                     ifacer["ip-address"] = interface_RO.get("ip_address")
 644                                     ifacer["mac-address"] = interface_RO.get("mac_address")
 645                                     break
 646                             else:
 647                                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} "
 648                                                    "from VIM info"
 649                                                    .format(vnf_index, vdur["vdu-id-ref"], ifacer["name"]))
 650                         vnfr_update["vdur.{}".format(vdu_index)] = vdur
 651                         break
 652                     else:
 653                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from "
 654                                            "VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"]))
 655
 656                 for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")):
 657                     for net_RO in get_iterable(nsr_desc_RO, "nets"):
 658                         if vld["id"] != net_RO.get("vnf_net_osm_id"):
 659                             continue
 660                         vld["vim-id"] = net_RO.get("vim_net_id")
 661                         vld["name"] = net_RO.get("vim_name")
 662                         vld["status"] = net_RO.get("status")
 663                         vld["status-detailed"] = net_RO.get("error_msg")
 664                         vnfr_update["vld.{}".format(vld_index)] = vld
 665                         break
 666                     else:
 667                         raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format(
 668                             vnf_index, vld["id"]))
 669
 670                 self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update)
 671                 break
 672
 673             else:
 674                 raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index))
 675
 676     def _get_ns_config_info(self, nsr_id):
 677         """
 678         Generates a mapping between vnf,vdu elements and the N2VC id
 679         :param nsr_id: id of nsr to get last  database _admin.deployed.VCA that contains this list
 680         :return: a dictionary with {osm-config-mapping: {}} where its element contains:
 681             "<member-vnf-index>": <N2VC-id>  for a vnf configuration, or
 682             "<member-vnf-index>.<vdu.id>.<vdu replica(0, 1,..)>": <N2VC-id>  for a vdu configuration
 683         """
 684         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
 685         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
 686         mapping = {}
 687         ns_config_info = {"osm-config-mapping": mapping}
 688         for vca in vca_deployed_list:
 689             if not vca["member-vnf-index"]:
 690                 continue
 691             if not vca["vdu_id"]:
 692                 mapping[vca["member-vnf-index"]] = vca["application"]
 693             else:
 694                 mapping["{}.{}.{}".format(vca["member-vnf-index"], vca["vdu_id"], vca["vdu_count_index"])] =\
 695                     vca["application"]
 696         return ns_config_info
 697
 698     @staticmethod
 699     def _get_initial_config_primitive_list(desc_primitive_list, vca_deployed):
 700         """
 701         Generates a list of initial-config-primitive based on the list provided by the descriptor. It includes internal
 702         primitives as verify-ssh-credentials, or config when needed
 703         :param desc_primitive_list: information of the descriptor
 704         :param vca_deployed: information of the deployed, needed for known if it is related to an NS, VNF, VDU and if
 705             this element contains a ssh public key
 706         :return: The modified list. Can ba an empty list, but always a list
 707         """
 708         if desc_primitive_list:
 709             primitive_list = desc_primitive_list.copy()
 710         else:
 711             primitive_list = []
 712         # look for primitive config, and get the position. None if not present
 713         config_position = None
 714         for index, primitive in enumerate(primitive_list):
 715             if primitive["name"] == "config":
 716                 config_position = index
 717                 break
 718
 719         # for NS, add always a config primitive if not present (bug 874)
 720         if not vca_deployed["member-vnf-index"] and config_position is None:
 721             primitive_list.insert(0, {"name": "config", "parameter": []})
 722             config_position = 0
 723         # for VNF/VDU add verify-ssh-credentials after config
 724         if vca_deployed["member-vnf-index"] and config_position is not None and vca_deployed.get("ssh-public-key"):
 725             primitive_list.insert(config_position + 1, {"name": "verify-ssh-credentials", "parameter": []})
 726         return primitive_list
 727
 728     async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr,
 729                              db_nslcmop, db_vnfrs, db_vnfds_ref, n2vc_key_list):
 730
 731         db_nsr_update = {}
 732         RO_descriptor_number = 0   # number of descriptors created at RO
 733         vnf_index_2_RO_id = {}    # map between vnfd/nsd id to the id used at RO
 734         start_deploy = time()
 735         ns_params = db_nslcmop.get("operationParams")
 736         if ns_params and ns_params.get("timeout_ns_deploy"):
 737             timeout_ns_deploy = ns_params["timeout_ns_deploy"]
 738         else:
 739             timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
 740
 741         # Check for and optionally request placement optimization. Database will be updated if placement activated
 742         await self.do_placement(logging_text, db_nslcmop, db_vnfrs)
 743
 744         # deploy RO
 745
 746         # get vnfds, instantiate at RO
 747
 748         for c_vnf in nsd.get("constituent-vnfd", ()):
 749             member_vnf_index = c_vnf["member-vnf-index"]
 750             vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']]
 751             vnfd_ref = vnfd["id"]
 752             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at" \
 753                                                                          " RO".format(vnfd_ref, member_vnf_index)
 754             # self.logger.debug(logging_text + step)
 755             vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23])
 756             vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO
 757             RO_descriptor_number += 1
 758
 759             # look position at deployed.RO.vnfd if not present it will be appended at the end
 760             for index, vnf_deployed in enumerate(db_nsr["_admin"]["deployed"]["RO"]["vnfd"]):
 761                 if vnf_deployed["member-vnf-index"] == member_vnf_index:
 762                     break
 763             else:
 764                 index = len(db_nsr["_admin"]["deployed"]["RO"]["vnfd"])
 765                 db_nsr["_admin"]["deployed"]["RO"]["vnfd"].append(None)
 766
 767             # look if present
 768             RO_update = {"member-vnf-index": member_vnf_index}
 769             vnfd_list = await self.RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO})
 770             if vnfd_list:
 771                 RO_update["id"] = vnfd_list[0]["uuid"]
 772                 self.logger.debug(logging_text + "vnfd='{}'  member_vnf_index='{}' exists at RO. Using RO_id={}".
 773                                   format(vnfd_ref, member_vnf_index, vnfd_list[0]["uuid"]))
 774             else:
 775                 vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]].
 776                                        get("additionalParamsForVnf"), nsr_id)
 777                 desc = await self.RO.create("vnfd", descriptor=vnfd_RO)
 778                 RO_update["id"] = desc["uuid"]
 779                 self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format(
 780                     vnfd_ref, member_vnf_index, desc["uuid"]))
 781             db_nsr_update["_admin.deployed.RO.vnfd.{}".format(index)] = RO_update
 782             db_nsr["_admin"]["deployed"]["RO"]["vnfd"][index] = RO_update
 783             self.update_db_2("nsrs", nsr_id, db_nsr_update)
 784
 785         # create nsd at RO
 786         nsd_ref = nsd["id"]
 787         step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating nsd={} at RO".format(nsd_ref)
 788         # self.logger.debug(logging_text + step)
 789
 790         RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23])
 791         RO_descriptor_number += 1
 792         nsd_list = await self.RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id})
 793         if nsd_list:
 794             db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = nsd_list[0]["uuid"]
 795             self.logger.debug(logging_text + "nsd={} exists at RO. Using RO_id={}".format(
 796                 nsd_ref, RO_nsd_uuid))
 797         else:
 798             nsd_RO = deepcopy(nsd)
 799             nsd_RO["id"] = RO_osm_nsd_id
 800             nsd_RO.pop("_id", None)
 801             nsd_RO.pop("_admin", None)
 802             for c_vnf in nsd_RO.get("constituent-vnfd", ()):
 803                 member_vnf_index = c_vnf["member-vnf-index"]
 804                 c_vnf["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
 805             for c_vld in nsd_RO.get("vld", ()):
 806                 for cp in c_vld.get("vnfd-connection-point-ref", ()):
 807                     member_vnf_index = cp["member-vnf-index-ref"]
 808                     cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index]
 809
 810             desc = await self.RO.create("nsd", descriptor=nsd_RO)
 811             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
 812             db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"]
 813             self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(nsd_ref, RO_nsd_uuid))
 814         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 815
 816         # Crate ns at RO
 817         # if present use it unless in error status
 818         RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id"))
 819         if RO_nsr_id:
 820             try:
 821                 step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Looking for existing ns at RO"
 822                 # self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id))
 823                 desc = await self.RO.show("ns", RO_nsr_id)
 824
 825             except ROclient.ROClientException as e:
 826                 if e.http_code != HTTPStatus.NOT_FOUND:
 827                     raise
 828                 RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 829             if RO_nsr_id:
 830                 ns_status, ns_status_info = self.RO.check_ns_status(desc)
 831                 db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
 832                 if ns_status == "ERROR":
 833                     step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deleting ns at RO. RO_ns_id={}"\
 834                         .format(RO_nsr_id)
 835                     self.logger.debug(logging_text + step)
 836                     await self.RO.delete("ns", RO_nsr_id)
 837                     RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None
 838         if not RO_nsr_id:
 839             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking dependencies"
 840             # self.logger.debug(logging_text + step)
 841
 842             # check if VIM is creating and wait  look if previous tasks in process
 843             task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account", ns_params["vimAccountId"])
 844             if task_dependency:
 845                 step = "Waiting for related tasks to be completed: {}".format(task_name)
 846                 self.logger.debug(logging_text + step)
 847                 await asyncio.wait(task_dependency, timeout=3600)
 848             if ns_params.get("vnf"):
 849                 for vnf in ns_params["vnf"]:
 850                     if "vimAccountId" in vnf:
 851                         task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account",
 852                                                                                     vnf["vimAccountId"])
 853                     if task_dependency:
 854                         step = "Waiting for related tasks to be completed: {}".format(task_name)
 855                         self.logger.debug(logging_text + step)
 856                         await asyncio.wait(task_dependency, timeout=3600)
 857
 858             step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking instantiation parameters"
 859
 860             RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list)
 861
 862             step = db_nsr_update["detailed-status"] = "Deploying ns at VIM"
 863             # step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deploying ns at VIM"
 864             desc = await self.RO.create("ns", descriptor=RO_ns_params, name=db_nsr["name"], scenario=RO_nsd_uuid)
 865             RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = desc["uuid"]
 866             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
 867             db_nsr_update["_admin.deployed.RO.nsr_status"] = "BUILD"
 868             self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"]))
 869         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 870
 871         # wait until NS is ready
 872         step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_ns_id={}".format(RO_nsr_id)
 873         detailed_status_old = None
 874         self.logger.debug(logging_text + step)
 875
 876         old_desc = None
 877         while time() <= start_deploy + timeout_ns_deploy:
 878             desc = await self.RO.show("ns", RO_nsr_id)
 879
 880             # deploymentStatus
 881             if desc != old_desc:
 882                 # desc has changed => update db
 883                 self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
 884                 old_desc = desc
 885
 886                 ns_status, ns_status_info = self.RO.check_ns_status(desc)
 887                 db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status
 888                 if ns_status == "ERROR":
 889                     raise ROclient.ROClientException(ns_status_info)
 890                 elif ns_status == "BUILD":
 891                     detailed_status = ns_status_detailed + "; {}".format(ns_status_info)
 892                 elif ns_status == "ACTIVE":
 893                     step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs"
 894                     try:
 895                         self.ns_update_vnfr(db_vnfrs, desc)
 896                         break
 897                     except LcmExceptionNoMgmtIP:
 898                         pass
 899                 else:
 900                     assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
 901                 if detailed_status != detailed_status_old:
 902                     detailed_status_old = db_nsr_update["_admin.deployed.RO.detailed-status"] = detailed_status
 903                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
 904                 await asyncio.sleep(5, loop=self.loop)
 905         else:  # timeout_ns_deploy
 906             raise ROclient.ROClientException("Timeout waiting ns to be ready")
 907
 908         step = "Updating NSR"
 909         self.ns_update_nsr(db_nsr_update, db_nsr, desc)
 910
 911         db_nsr_update["_admin.deployed.RO.operational-status"] = "running"
 912         db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 913         db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deployed at VIM"
 914         self.update_db_2("nsrs", nsr_id, db_nsr_update)
 915         # await self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update)
 916
 917         step = "Deployed at VIM"
 918         self.logger.debug(logging_text + step)
 919
 920     async def wait_vm_up_insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None):
 921         """
 922         Wait for ip addres at RO, and optionally, insert public key in virtual machine
 923         :param logging_text: prefix use for logging
 924         :param nsr_id:
 925         :param vnfr_id:
 926         :param vdu_id:
 927         :param vdu_index:
 928         :param pub_key: public ssh key to inject, None to skip
 929         :param user: user to apply the public ssh key
 930         :return: IP address
 931         """
 932
 933         # self.logger.debug(logging_text + "Starting wait_vm_up_insert_key_ro")
 934         ro_nsr_id = None
 935         ip_address = None
 936         nb_tries = 0
 937         target_vdu_id = None
 938         ro_retries = 0
 939
 940         while True:
 941
 942             ro_retries += 1
 943             if ro_retries >= 360:  # 1 hour
 944                 raise LcmException("Not found _admin.deployed.RO.nsr_id for nsr_id: {}".format(nsr_id))
 945
 946             await asyncio.sleep(10, loop=self.loop)
 947             # wait until NS is deployed at RO
 948             if not ro_nsr_id:
 949                 db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id})
 950                 ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id"))
 951             if not ro_nsr_id:
 952                 continue
 953
 954             # get ip address
 955             if not target_vdu_id:
 956                 db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id})
 957
 958                 if not vdu_id:  # for the VNF case
 959                     ip_address = db_vnfr.get("ip-address")
 960                     if not ip_address:
 961                         continue
 962                     vdur = next((x for x in get_iterable(db_vnfr, "vdur") if x.get("ip-address") == ip_address), None)
 963                 else:  # VDU case
 964                     vdur = next((x for x in get_iterable(db_vnfr, "vdur")
 965                                  if x.get("vdu-id-ref") == vdu_id and x.get("count-index") == vdu_index), None)
 966
 967                 if not vdur:
 968                     raise LcmException("Not found vnfr_id={}, vdu_index={}, vdu_index={}".format(
 969                         vnfr_id, vdu_id, vdu_index
 970                     ))
 971
 972                 if vdur.get("status") == "ACTIVE":
 973                     ip_address = vdur.get("ip-address")
 974                     if not ip_address:
 975                         continue
 976                     target_vdu_id = vdur["vdu-id-ref"]
 977                 elif vdur.get("status") == "ERROR":
 978                     raise LcmException("Cannot inject ssh-key because target VM is in error state")
 979
 980             if not target_vdu_id:
 981                 continue
 982
 983             # self.logger.debug(logging_text + "IP address={}".format(ip_address))
 984
 985             # inject public key into machine
 986             if pub_key and user:
 987                 # self.logger.debug(logging_text + "Inserting RO key")
 988                 try:
 989                     ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id)  # TODO add vdu_index
 990                     result_dict = await self.RO.create_action(
 991                         item="ns",
 992                         item_id_name=ro_nsr_id,
 993                         descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user}
 994                     )
 995                     # result_dict contains the format {VM-id: {vim_result: 200, description: text}}
 996                     if not result_dict or not isinstance(result_dict, dict):
 997                         raise LcmException("Unknown response from RO when injecting key")
 998                     for result in result_dict.values():
 999                         if result.get("vim_result") == 200:
1000                             break
1001                         else:
1002                             raise ROclient.ROClientException("error injecting key: {}".format(
1003                                 result.get("description")))
1004                     break
1005                 except ROclient.ROClientException as e:
1006                     if not nb_tries:
1007                         self.logger.debug(logging_text + "error injecting key: {}. Retrying until {} seconds".
1008                                           format(e, 20*10))
1009                     nb_tries += 1
1010                     if nb_tries >= 20:
1011                         raise LcmException("Reaching max tries injecting key. Error: {}".format(e))
1012             else:
1013                 break
1014
1015         return ip_address
1016
1017     async def _wait_dependent_n2vc(self, nsr_id, vca_deployed_list, vca_index):
1018         """
1019         Wait until dependent VCA deployments have been finished. NS wait for VNFs and VDUs. VNFs for VDUs
1020         """
1021         my_vca = vca_deployed_list[vca_index]
1022         if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1023             # vdu or kdu: no dependencies
1024             return
1025         timeout = 300
1026         while timeout >= 0:
1027             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1028             vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
1029             configuration_status_list = db_nsr["configurationStatus"]
1030             for index, vca_deployed in enumerate(configuration_status_list):
1031                 if index == vca_index:
1032                     # myself
1033                     continue
1034                 if not my_vca.get("member-vnf-index") or \
1035                         (vca_deployed.get("member-vnf-index") == my_vca.get("member-vnf-index")):
1036                     internal_status = configuration_status_list[index].get("status")
1037                     if internal_status == 'READY':
1038                         continue
1039                     elif internal_status == 'BROKEN':
1040                         raise LcmException("Configuration aborted because dependent charm/s has failed")
1041                     else:
1042                         break
1043             else:
1044                 # no dependencies, return
1045                 return
1046             await asyncio.sleep(10)
1047             timeout -= 1
1048
1049         raise LcmException("Configuration aborted because dependent charm/s timeout")
1050
1051     async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id, kdu_name,
1052                                vdu_index, config_descriptor, deploy_params, base_folder, nslcmop_id):
1053         nsr_id = db_nsr["_id"]
1054         db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index)
1055         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
1056         vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index]
1057         db_dict = {
1058             'collection': 'nsrs',
1059             'filter': {'_id': nsr_id},
1060             'path': db_update_entry
1061         }
1062         step = ""
1063         try:
1064
1065             element_type = 'NS'
1066             element_under_configuration = nsr_id
1067
1068             vnfr_id = None
1069             if db_vnfr:
1070                 vnfr_id = db_vnfr["_id"]
1071
1072             namespace = "{nsi}.{ns}".format(
1073                 nsi=nsi_id if nsi_id else "",
1074                 ns=nsr_id)
1075
1076             if vnfr_id:
1077                 element_type = 'VNF'
1078                 element_under_configuration = vnfr_id
1079                 namespace += ".{}".format(vnfr_id)
1080                 if vdu_id:
1081                     namespace += ".{}-{}".format(vdu_id, vdu_index or 0)
1082                     element_type = 'VDU'
1083                     element_under_configuration = "{}-{}".format(vdu_id, vdu_index or 0)
1084
1085             # Get artifact path
1086             self.fs.sync()  # Sync from FSMongo
1087             artifact_path = "{}/{}/charms/{}".format(
1088                 base_folder["folder"],
1089                 base_folder["pkg-dir"],
1090                 config_descriptor["juju"]["charm"]
1091             )
1092
1093             is_proxy_charm = deep_get(config_descriptor, ('juju', 'charm')) is not None
1094             if deep_get(config_descriptor, ('juju', 'proxy')) is False:
1095                 is_proxy_charm = False
1096
1097             # n2vc_redesign STEP 3.1
1098
1099             # find old ee_id if exists
1100             ee_id = vca_deployed.get("ee_id")
1101
1102             # create or register execution environment in VCA
1103             if is_proxy_charm:
1104
1105                 self._write_configuration_status(
1106                     nsr_id=nsr_id,
1107                     vca_index=vca_index,
1108                     status='CREATING',
1109                     element_under_configuration=element_under_configuration,
1110                     element_type=element_type
1111                 )
1112
1113                 step = "create execution environment"
1114                 self.logger.debug(logging_text + step)
1115                 ee_id, credentials = await self.n2vc.create_execution_environment(namespace=namespace,
1116                                                                                   reuse_ee_id=ee_id,
1117                                                                                   db_dict=db_dict)
1118
1119             else:
1120                 step = "Waiting to VM being up and getting IP address"
1121                 self.logger.debug(logging_text + step)
1122                 rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1123                                                                  user=None, pub_key=None)
1124                 credentials = {"hostname": rw_mgmt_ip}
1125                 # get username
1126                 username = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1127                 # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were
1128                 #  merged. Meanwhile let's get username from initial-config-primitive
1129                 if not username and config_descriptor.get("initial-config-primitive"):
1130                     for config_primitive in config_descriptor["initial-config-primitive"]:
1131                         for param in config_primitive.get("parameter", ()):
1132                             if param["name"] == "ssh-username":
1133                                 username = param["value"]
1134                                 break
1135                 if not username:
1136                     raise LcmException("Cannot determine the username neither with 'initial-config-promitive' nor with "
1137                                        "'config-access.ssh-access.default-user'")
1138                 credentials["username"] = username
1139                 # n2vc_redesign STEP 3.2
1140
1141                 self._write_configuration_status(
1142                     nsr_id=nsr_id,
1143                     vca_index=vca_index,
1144                     status='REGISTERING',
1145                     element_under_configuration=element_under_configuration,
1146                     element_type=element_type
1147                 )
1148
1149                 step = "register execution environment {}".format(credentials)
1150                 self.logger.debug(logging_text + step)
1151                 ee_id = await self.n2vc.register_execution_environment(credentials=credentials, namespace=namespace,
1152                                                                        db_dict=db_dict)
1153
1154             # for compatibility with MON/POL modules, the need model and application name at database
1155             # TODO ask to N2VC instead of assuming the format "model_name.application_name"
1156             ee_id_parts = ee_id.split('.')
1157             model_name = ee_id_parts[0]
1158             application_name = ee_id_parts[1]
1159             self.update_db_2("nsrs", nsr_id, {db_update_entry + "model": model_name,
1160                                               db_update_entry + "application": application_name,
1161                                               db_update_entry + "ee_id": ee_id})
1162
1163             # n2vc_redesign STEP 3.3
1164
1165             step = "Install configuration Software"
1166
1167             self._write_configuration_status(
1168                 nsr_id=nsr_id,
1169                 vca_index=vca_index,
1170                 status='INSTALLING SW',
1171                 element_under_configuration=element_under_configuration,
1172                 element_type=element_type
1173             )
1174
1175             # TODO check if already done
1176             self.logger.debug(logging_text + step)
1177             await self.n2vc.install_configuration_sw(ee_id=ee_id, artifact_path=artifact_path, db_dict=db_dict)
1178
1179             # write in db flag of configuration_sw already installed
1180             self.update_db_2("nsrs", nsr_id, {db_update_entry + "config_sw_installed": True})
1181
1182             # add relations for this VCA (wait for other peers related with this VCA)
1183             await self._add_vca_relations(logging_text=logging_text, nsr_id=nsr_id, vca_index=vca_index)
1184
1185             # if SSH access is required, then get execution environment SSH public
1186             if is_proxy_charm:  # if native charm we have waited already to VM be UP
1187                 pub_key = None
1188                 user = None
1189                 if deep_get(config_descriptor, ("config-access", "ssh-access", "required")):
1190                     # Needed to inject a ssh key
1191                     user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user"))
1192                     step = "Install configuration Software, getting public ssh key"
1193                     pub_key = await self.n2vc.get_ee_ssh_public__key(ee_id=ee_id, db_dict=db_dict)
1194
1195                     step = "Insert public key into VM user={} ssh_key={}".format(user, pub_key)
1196                 else:
1197                     step = "Waiting to VM being up and getting IP address"
1198                 self.logger.debug(logging_text + step)
1199
1200                 # n2vc_redesign STEP 5.1
1201                 # wait for RO (ip-address) Insert pub_key into VM
1202                 if vnfr_id:
1203                     rw_mgmt_ip = await self.wait_vm_up_insert_key_ro(logging_text, nsr_id, vnfr_id, vdu_id, vdu_index,
1204                                                                      user=user, pub_key=pub_key)
1205                 else:
1206                     rw_mgmt_ip = None   # This is for a NS configuration
1207
1208                 self.logger.debug(logging_text + ' VM_ip_address={}'.format(rw_mgmt_ip))
1209
1210             # store rw_mgmt_ip in deploy params for later replacement
1211             deploy_params["rw_mgmt_ip"] = rw_mgmt_ip
1212
1213             # n2vc_redesign STEP 6  Execute initial config primitive
1214             step = 'execute initial config primitive'
1215             initial_config_primitive_list = config_descriptor.get('initial-config-primitive')
1216
1217             # sort initial config primitives by 'seq'
1218             if initial_config_primitive_list:
1219                 try:
1220                     initial_config_primitive_list.sort(key=lambda val: int(val['seq']))
1221                 except Exception as e:
1222                     self.logger.error(logging_text + step + ": " + str(e))
1223             else:
1224                 self.logger.debug(logging_text + step + ": No initial-config-primitive")
1225
1226             # add config if not present for NS charm
1227             initial_config_primitive_list = self._get_initial_config_primitive_list(initial_config_primitive_list,
1228                                                                                     vca_deployed)
1229
1230             # wait for dependent primitives execution (NS -> VNF -> VDU)
1231             if initial_config_primitive_list:
1232                 await self._wait_dependent_n2vc(nsr_id, vca_deployed_list, vca_index)
1233
1234             # stage, in function of element type: vdu, kdu, vnf or ns
1235             my_vca = vca_deployed_list[vca_index]
1236             if my_vca.get("vdu_id") or my_vca.get("kdu_name"):
1237                 # VDU or KDU
1238                 stage = 'Stage 3/5: running Day-1 primitives for VDU'
1239             elif my_vca.get("member-vnf-index"):
1240                 # VNF
1241                 stage = 'Stage 4/5: running Day-1 primitives for VNF'
1242             else:
1243                 # NS
1244                 stage = 'Stage 5/5: running Day-1 primitives for NS'
1245
1246             self._write_configuration_status(
1247                 nsr_id=nsr_id,
1248                 vca_index=vca_index,
1249                 status='EXECUTING PRIMITIVE'
1250             )
1251
1252             self._write_op_status(
1253                 op_id=nslcmop_id,
1254                 stage=stage
1255             )
1256
1257             for initial_config_primitive in initial_config_primitive_list:
1258                 # adding information on the vca_deployed if it is a NS execution environment
1259                 if not vca_deployed["member-vnf-index"]:
1260                     deploy_params["ns_config_info"] = json.dumps(self._get_ns_config_info(nsr_id))
1261                 # TODO check if already done
1262                 primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params)
1263
1264                 step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_)
1265                 self.logger.debug(logging_text + step)
1266                 await self.n2vc.exec_primitive(
1267                     ee_id=ee_id,
1268                     primitive_name=initial_config_primitive["name"],
1269                     params_dict=primitive_params_,
1270                     db_dict=db_dict
1271                 )
1272
1273                 # TODO register in database that primitive is done
1274
1275             step = "instantiated at VCA"
1276             self.logger.debug(logging_text + step)
1277
1278             self._write_configuration_status(
1279                 nsr_id=nsr_id,
1280                 vca_index=vca_index,
1281                 status='READY'
1282             )
1283
1284         except Exception as e:  # TODO not use Exception but N2VC exception
1285             # self.update_db_2("nsrs", nsr_id, {db_update_entry + "instantiation": "FAILED"})
1286             self._write_configuration_status(
1287                 nsr_id=nsr_id,
1288                 vca_index=vca_index,
1289                 status='BROKEN'
1290             )
1291             raise Exception("{} {}".format(step, e)) from e
1292             # TODO raise N2VC exception with 'step' extra information
1293
1294     def _write_ns_status(self, nsr_id: str, ns_state: str, current_operation: str, current_operation_id: str,
1295                          error_description: str = None):
1296         try:
1297             db_dict = dict()
1298             if ns_state:
1299                 db_dict["nsState"] = ns_state
1300             db_dict["currentOperation"] = current_operation
1301             db_dict["currentOperationID"] = current_operation_id
1302             db_dict["errorDescription"] = error_description
1303             self.update_db_2("nsrs", nsr_id, db_dict)
1304         except Exception as e:
1305             self.logger.warn('Error writing NS status, ns={}: {}'.format(nsr_id, e))
1306
1307     def _write_op_status(self, op_id: str, stage: str = None, error_message: str = None, queuePosition: int = 0):
1308         try:
1309             db_dict = dict()
1310             db_dict['queuePosition'] = queuePosition
1311             db_dict['stage'] = stage
1312             if error_message:
1313                 db_dict['errorMessage'] = error_message
1314             self.update_db_2("nslcmops", op_id, db_dict)
1315         except Exception as e:
1316             self.logger.warn('Error writing OPERATION status for op_id: {} -> {}'.format(op_id, e))
1317
1318     def _write_all_config_status(self, nsr_id: str, status: str):
1319         try:
1320             # nsrs record
1321             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1322             # configurationStatus
1323             config_status = db_nsr.get('configurationStatus')
1324             if config_status:
1325                 # update status
1326                 db_dict = dict()
1327                 db_dict['configurationStatus'] = list()
1328                 for c in config_status:
1329                     c['status'] = status
1330                     db_dict['configurationStatus'].append(c)
1331                 self.update_db_2("nsrs", nsr_id, db_dict)
1332
1333         except Exception as e:
1334             self.logger.warn('Error writing all configuration status, ns={}: {}'.format(nsr_id, e))
1335
1336     def _write_configuration_status(self, nsr_id: str, vca_index: int, status: str = None,
1337                                     element_under_configuration: str = None, element_type: str = None):
1338
1339         # self.logger.debug('_write_configuration_status(): vca_index={}, status={}'
1340         #                   .format(vca_index, status))
1341
1342         try:
1343             db_path = 'configurationStatus.{}.'.format(vca_index)
1344             db_dict = dict()
1345             if status:
1346                 db_dict[db_path + 'status'] = status
1347             if element_under_configuration:
1348                 db_dict[db_path + 'elementUnderConfiguration'] = element_under_configuration
1349             if element_type:
1350                 db_dict[db_path + 'elementType'] = element_type
1351             self.update_db_2("nsrs", nsr_id, db_dict)
1352         except Exception as e:
1353             self.logger.warn('Error writing configuration status={}, ns={}, vca_index={}: {}'
1354                              .format(status, nsr_id, vca_index, e))
1355
1356     async def do_placement(self, logging_text, db_nslcmop, db_vnfrs):
1357         placement_engine = deep_get(db_nslcmop, ('operationParams', 'placement-engine'))
1358         if placement_engine == "PLA":
1359             self.logger.debug(logging_text + "Invoke placement optimization for nslcmopId={}".format(db_nslcmop['id']))
1360             await self.msg.aiowrite("pla", "get_placement", {'nslcmopId': db_nslcmop['_id']}, loop=self.loop)
1361             db_poll_interval = 5
1362             wait = db_poll_interval * 4
1363             pla_result = None
1364             while not pla_result and wait >= 0:
1365                 await asyncio.sleep(db_poll_interval)
1366                 wait -= db_poll_interval
1367                 db_nslcmop = self.db.get_one("nslcmops", {"_id": db_nslcmop["_id"]})
1368                 pla_result = deep_get(db_nslcmop, ('_admin', 'pla'))
1369
1370             if not pla_result:
1371                 raise LcmException("Placement timeout for nslcmopId={}".format(db_nslcmop['id']))
1372
1373             for pla_vnf in pla_result['vnf']:
1374                 vnfr = db_vnfrs.get(pla_vnf['member-vnf-index'])
1375                 if not pla_vnf.get('vimAccountId') or not vnfr:
1376                     continue
1377                 self.db.set_one("vnfrs", {"_id": vnfr["_id"]}, {"vim-account-id": pla_vnf['vimAccountId']})
1378         return
1379
1380     def update_nsrs_with_pla_result(self, params):
1381         try:
1382             nslcmop_id = deep_get(params, ('placement', 'nslcmopId'))
1383             self.update_db_2("nslcmops", nslcmop_id, {"_admin.pla": params.get('placement')})
1384         except Exception as e:
1385             self.logger.warn('Update failed for nslcmop_id={}:{}'.format(nslcmop_id, e))
1386
1387     async def instantiate(self, nsr_id, nslcmop_id):
1388         """
1389
1390         :param nsr_id: ns instance to deploy
1391         :param nslcmop_id: operation to run
1392         :return:
1393         """
1394
1395         # Try to lock HA task here
1396         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
1397         if not task_is_locked_by_me:
1398             self.logger.debug('instantiate() task is not locked by me, ns={}'.format(nsr_id))
1399             return
1400
1401         logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id)
1402         self.logger.debug(logging_text + "Enter")
1403
1404         # get all needed from database
1405
1406         # database nsrs record
1407         db_nsr = None
1408
1409         # database nslcmops record
1410         db_nslcmop = None
1411
1412         # update operation on nsrs
1413         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
1414                          "_admin.current-operation": nslcmop_id,
1415                          "_admin.operation-type": "instantiate"}
1416         self.update_db_2("nsrs", nsr_id, db_nsr_update)
1417
1418         # update operation on nslcmops
1419         db_nslcmop_update = {}
1420
1421         nslcmop_operation_state = None
1422         db_vnfrs = {}     # vnf's info indexed by member-index
1423         # n2vc_info = {}
1424         task_instantiation_list = []
1425         task_instantiation_info = {}  # from task to info text
1426         exc = None
1427         try:
1428             # wait for any previous tasks in process
1429             step = "Waiting for previous operations to terminate"
1430             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
1431
1432             # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds)
1433
1434             # nsState="BUILDING", currentOperation="INSTANTIATING", currentOperationID=nslcmop_id
1435             self._write_ns_status(
1436                 nsr_id=nsr_id,
1437                 ns_state="BUILDING",
1438                 current_operation="INSTANTIATING",
1439                 current_operation_id=nslcmop_id
1440             )
1441
1442             # read from db: operation
1443             step = "Getting nslcmop={} from db".format(nslcmop_id)
1444             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
1445             ns_params = db_nslcmop.get("operationParams")
1446             if ns_params and ns_params.get("timeout_ns_deploy"):
1447                 timeout_ns_deploy = ns_params["timeout_ns_deploy"]
1448             else:
1449                 timeout_ns_deploy = self.timeout.get("ns_deploy", self.timeout_ns_deploy)
1450
1451             # read from db: ns
1452             step = "Getting nsr={} from db".format(nsr_id)
1453             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1454             # nsd is replicated into ns (no db read)
1455             nsd = db_nsr["nsd"]
1456             # nsr_name = db_nsr["name"]   # TODO short-name??
1457
1458             # read from db: vnf's of this ns
1459             step = "Getting vnfrs from db"
1460             self.logger.debug(logging_text + step)
1461             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
1462
1463             # read from db: vnfd's for every vnf
1464             db_vnfds_ref = {}     # every vnfd data indexed by vnf name
1465             db_vnfds = {}         # every vnfd data indexed by vnf id
1466             db_vnfds_index = {}   # every vnfd data indexed by vnf member-index
1467
1468             self._write_op_status(
1469                 op_id=nslcmop_id,
1470                 stage='Stage 1/5: preparation of the environment',
1471                 queuePosition=0
1472             )
1473
1474             # for each vnf in ns, read vnfd
1475             for vnfr in db_vnfrs_list:
1476                 db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr   # vnf's dict indexed by member-index: '1', '2', etc
1477                 vnfd_id = vnfr["vnfd-id"]                       # vnfd uuid for this vnf
1478                 vnfd_ref = vnfr["vnfd-ref"]                     # vnfd name for this vnf
1479                 # if we haven't this vnfd, read it from db
1480                 if vnfd_id not in db_vnfds:
1481                     # read from db
1482                     step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref)
1483                     self.logger.debug(logging_text + step)
1484                     vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
1485
1486                     # store vnfd
1487                     db_vnfds_ref[vnfd_ref] = vnfd     # vnfd's indexed by name
1488                     db_vnfds[vnfd_id] = vnfd          # vnfd's indexed by id
1489                 db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id]  # vnfd's indexed by member-index
1490
1491             # Get or generates the _admin.deployed.VCA list
1492             vca_deployed_list = None
1493             if db_nsr["_admin"].get("deployed"):
1494                 vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA")
1495             if vca_deployed_list is None:
1496                 vca_deployed_list = []
1497                 configuration_status_list = []
1498                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1499                 db_nsr_update["configurationStatus"] = configuration_status_list
1500                 # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list
1501                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1502             elif isinstance(vca_deployed_list, dict):
1503                 # maintain backward compatibility. Change a dict to list at database
1504                 vca_deployed_list = list(vca_deployed_list.values())
1505                 db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list
1506                 populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list)
1507
1508             db_nsr_update["detailed-status"] = "creating"
1509             db_nsr_update["operational-status"] = "init"
1510
1511             if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list):
1512                 populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), [])
1513                 db_nsr_update["_admin.deployed.RO.vnfd"] = []
1514
1515             # set state to INSTANTIATED. When instantiated NBI will not delete directly
1516             db_nsr_update["_admin.nsState"] = "INSTANTIATED"
1517             self.update_db_2("nsrs", nsr_id, db_nsr_update)
1518
1519             # n2vc_redesign STEP 2 Deploy Network Scenario
1520
1521             self._write_op_status(
1522                 op_id=nslcmop_id,
1523                 stage='Stage 2/5: deployment of VMs and execution environments'
1524             )
1525
1526             self.logger.debug(logging_text + "Before deploy_kdus")
1527             # Call to deploy_kdus in case exists the "vdu:kdu" param
1528             task_kdu = asyncio.ensure_future(
1529                 self.deploy_kdus(
1530                     logging_text=logging_text,
1531                     nsr_id=nsr_id,
1532                     db_nsr=db_nsr,
1533                     db_vnfrs=db_vnfrs,
1534                     db_vnfds=db_vnfds
1535                 )
1536             )
1537             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu)
1538             task_instantiation_info[task_kdu] = "Deploy KDUs"
1539             task_instantiation_list.append(task_kdu)
1540             # n2vc_redesign STEP 1 Get VCA public ssh-key
1541             # feature 1429. Add n2vc public key to needed VMs
1542             n2vc_key = self.n2vc.get_public_key()
1543             n2vc_key_list = [n2vc_key]
1544             if self.vca_config.get("public_key"):
1545                 n2vc_key_list.append(self.vca_config["public_key"])
1546
1547             task_ro = asyncio.ensure_future(
1548                 self.instantiate_RO(
1549                     logging_text=logging_text,
1550                     nsr_id=nsr_id,
1551                     nsd=nsd,
1552                     db_nsr=db_nsr,
1553                     db_nslcmop=db_nslcmop,
1554                     db_vnfrs=db_vnfrs,
1555                     db_vnfds_ref=db_vnfds_ref,
1556                     n2vc_key_list=n2vc_key_list
1557                 )
1558             )
1559             self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro)
1560             task_instantiation_info[task_ro] = "Deploy at VIM"
1561             task_instantiation_list.append(task_ro)
1562
1563             # n2vc_redesign STEP 3 to 6 Deploy N2VC
1564             step = "Deploying proxy and native charms"
1565             self.logger.debug(logging_text + step)
1566
1567             nsi_id = None  # TODO put nsi_id when this nsr belongs to a NSI
1568             # get_iterable() returns a value from a dict or empty tuple if key does not exist
1569             for c_vnf in get_iterable(nsd, "constituent-vnfd"):
1570                 vnfd_id = c_vnf["vnfd-id-ref"]
1571                 vnfd = db_vnfds_ref[vnfd_id]
1572                 member_vnf_index = str(c_vnf["member-vnf-index"])
1573                 db_vnfr = db_vnfrs[member_vnf_index]
1574                 base_folder = vnfd["_admin"]["storage"]
1575                 vdu_id = None
1576                 vdu_index = 0
1577                 vdu_name = None
1578                 kdu_name = None
1579
1580                 # Get additional parameters
1581                 deploy_params = {}
1582                 if db_vnfr.get("additionalParamsForVnf"):
1583                     deploy_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"].copy())
1584
1585                 descriptor_config = vnfd.get("vnf-configuration")
1586                 if descriptor_config and descriptor_config.get("juju"):
1587                     self._deploy_n2vc(
1588                         logging_text=logging_text + "member_vnf_index={} ".format(member_vnf_index),
1589                         db_nsr=db_nsr,
1590                         db_vnfr=db_vnfr,
1591                         nslcmop_id=nslcmop_id,
1592                         nsr_id=nsr_id,
1593                         nsi_id=nsi_id,
1594                         vnfd_id=vnfd_id,
1595                         vdu_id=vdu_id,
1596                         kdu_name=kdu_name,
1597                         member_vnf_index=member_vnf_index,
1598                         vdu_index=vdu_index,
1599                         vdu_name=vdu_name,
1600                         deploy_params=deploy_params,
1601                         descriptor_config=descriptor_config,
1602                         base_folder=base_folder,
1603                         task_instantiation_list=task_instantiation_list,
1604                         task_instantiation_info=task_instantiation_info
1605                     )
1606
1607                 # Deploy charms for each VDU that supports one.
1608                 for vdud in get_iterable(vnfd, 'vdu'):
1609                     vdu_id = vdud["id"]
1610                     descriptor_config = vdud.get('vdu-configuration')
1611                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
1612                     if vdur.get("additionalParams"):
1613                         deploy_params_vdu = self._format_additional_params(vdur["additionalParams"])
1614                     else:
1615                         deploy_params_vdu = deploy_params
1616                     if descriptor_config and descriptor_config.get("juju"):
1617                         # look for vdu index in the db_vnfr["vdu"] section
1618                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1619                         #     if vdur["vdu-id-ref"] == vdu_id:
1620                         #         break
1621                         # else:
1622                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1623                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1624                         # vdu_name = vdur.get("name")
1625                         vdu_name = None
1626                         kdu_name = None
1627                         for vdu_index in range(int(vdud.get("count", 1))):
1628                             # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"]
1629                             self._deploy_n2vc(
1630                                 logging_text=logging_text + "member_vnf_index={}, vdu_id={}, vdu_index={} ".format(
1631                                     member_vnf_index, vdu_id, vdu_index),
1632                                 db_nsr=db_nsr,
1633                                 db_vnfr=db_vnfr,
1634                                 nslcmop_id=nslcmop_id,
1635                                 nsr_id=nsr_id,
1636                                 nsi_id=nsi_id,
1637                                 vnfd_id=vnfd_id,
1638                                 vdu_id=vdu_id,
1639                                 kdu_name=kdu_name,
1640                                 member_vnf_index=member_vnf_index,
1641                                 vdu_index=vdu_index,
1642                                 vdu_name=vdu_name,
1643                                 deploy_params=deploy_params_vdu,
1644                                 descriptor_config=descriptor_config,
1645                                 base_folder=base_folder,
1646                                 task_instantiation_list=task_instantiation_list,
1647                                 task_instantiation_info=task_instantiation_info
1648                             )
1649                 for kdud in get_iterable(vnfd, 'kdu'):
1650                     kdu_name = kdud["name"]
1651                     descriptor_config = kdud.get('kdu-configuration')
1652                     if descriptor_config and descriptor_config.get("juju"):
1653                         vdu_id = None
1654                         vdu_index = 0
1655                         vdu_name = None
1656                         # look for vdu index in the db_vnfr["vdu"] section
1657                         # for vdur_index, vdur in enumerate(db_vnfr["vdur"]):
1658                         #     if vdur["vdu-id-ref"] == vdu_id:
1659                         #         break
1660                         # else:
1661                         #     raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for "
1662                         #                        "member_vnf_index={}".format(vdu_id, member_vnf_index))
1663                         # vdu_name = vdur.get("name")
1664                         # vdu_name = None
1665
1666                         self._deploy_n2vc(
1667                             logging_text=logging_text,
1668                             db_nsr=db_nsr,
1669                             db_vnfr=db_vnfr,
1670                             nslcmop_id=nslcmop_id,
1671                             nsr_id=nsr_id,
1672                             nsi_id=nsi_id,
1673                             vnfd_id=vnfd_id,
1674                             vdu_id=vdu_id,
1675                             kdu_name=kdu_name,
1676                             member_vnf_index=member_vnf_index,
1677                             vdu_index=vdu_index,
1678                             vdu_name=vdu_name,
1679                             deploy_params=deploy_params,
1680                             descriptor_config=descriptor_config,
1681                             base_folder=base_folder,
1682                             task_instantiation_list=task_instantiation_list,
1683                             task_instantiation_info=task_instantiation_info
1684                         )
1685
1686             # Check if this NS has a charm configuration
1687             descriptor_config = nsd.get("ns-configuration")
1688             if descriptor_config and descriptor_config.get("juju"):
1689                 vnfd_id = None
1690                 db_vnfr = None
1691                 member_vnf_index = None
1692                 vdu_id = None
1693                 kdu_name = None
1694                 vdu_index = 0
1695                 vdu_name = None
1696
1697                 # Get additional parameters
1698                 deploy_params = {}
1699                 if db_nsr.get("additionalParamsForNs"):
1700                     deploy_params = self._format_additional_params(db_nsr["additionalParamsForNs"].copy())
1701                 base_folder = nsd["_admin"]["storage"]
1702                 self._deploy_n2vc(
1703                     logging_text=logging_text,
1704                     db_nsr=db_nsr,
1705                     db_vnfr=db_vnfr,
1706                     nslcmop_id=nslcmop_id,
1707                     nsr_id=nsr_id,
1708                     nsi_id=nsi_id,
1709                     vnfd_id=vnfd_id,
1710                     vdu_id=vdu_id,
1711                     kdu_name=kdu_name,
1712                     member_vnf_index=member_vnf_index,
1713                     vdu_index=vdu_index,
1714                     vdu_name=vdu_name,
1715                     deploy_params=deploy_params,
1716                     descriptor_config=descriptor_config,
1717                     base_folder=base_folder,
1718                     task_instantiation_list=task_instantiation_list,
1719                     task_instantiation_info=task_instantiation_info
1720                 )
1721
1722             # Wait until all tasks of "task_instantiation_list" have been finished
1723
1724             error_text_list = []
1725
1726             # let's begin with all OK
1727             instantiated_ok = True
1728             # let's begin with RO 'running' status (later we can change it)
1729             db_nsr_update["operational-status"] = "running"
1730             # let's begin with VCA 'configured' status (later we can change it)
1731             db_nsr_update["config-status"] = "configured"
1732
1733             step = "Waiting for tasks to be finished"
1734             if task_instantiation_list:
1735                 # wait for all tasks completion
1736                 done, pending = await asyncio.wait(task_instantiation_list, timeout=timeout_ns_deploy)
1737
1738                 for task in pending:
1739                     instantiated_ok = False
1740                     if task in (task_ro, task_kdu):
1741                         # RO or KDU task is pending
1742                         db_nsr_update["operational-status"] = "failed"
1743                     else:
1744                         # A N2VC task is pending
1745                         db_nsr_update["config-status"] = "failed"
1746                     self.logger.error(logging_text + task_instantiation_info[task] + ": Timeout")
1747                     error_text_list.append(task_instantiation_info[task] + ": Timeout")
1748                 for task in done:
1749                     if task.cancelled():
1750                         instantiated_ok = False
1751                         if task in (task_ro, task_kdu):
1752                             # RO or KDU task was cancelled
1753                             db_nsr_update["operational-status"] = "failed"
1754                         else:
1755                             # A N2VC was cancelled
1756                             db_nsr_update["config-status"] = "failed"
1757                         self.logger.warn(logging_text + task_instantiation_info[task] + ": Cancelled")
1758                         error_text_list.append(task_instantiation_info[task] + ": Cancelled")
1759                     else:
1760                         exc = task.exception()
1761                         if exc:
1762                             instantiated_ok = False
1763                             if task in (task_ro, task_kdu):
1764                                 # RO or KDU task raised an exception
1765                                 db_nsr_update["operational-status"] = "failed"
1766                             else:
1767                                 # A N2VC task raised an exception
1768                                 db_nsr_update["config-status"] = "failed"
1769                             self.logger.error(logging_text + task_instantiation_info[task] + ": Failed")
1770
1771                             if isinstance(exc, (N2VCException, ROclient.ROClientException)):
1772                                 error_text_list.append(task_instantiation_info[task] + ": {}".format(exc))
1773                             else:
1774                                 exc_traceback = "".join(traceback.format_exception(None, exc, exc.__traceback__))
1775                                 self.logger.error(logging_text + task_instantiation_info[task] + exc_traceback)
1776                                 error_text_list.append(task_instantiation_info[task] + ": " + exc_traceback)
1777                         else:
1778                             self.logger.debug(logging_text + task_instantiation_info[task] + ": Done")
1779
1780             if error_text_list:
1781                 error_text = "\n".join(error_text_list)
1782                 db_nsr_update["detailed-status"] = error_text
1783                 db_nslcmop_update["detailed-status"] = error_text
1784                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
1785                 db_nslcmop_update["statusEnteredTime"] = time()
1786             else:
1787                 # all is done
1788                 db_nsr_update["detailed-status"] = "done"
1789                 db_nslcmop_update["detailed-status"] = "done"
1790                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
1791                 db_nslcmop_update["statusEnteredTime"] = time()
1792
1793         except (ROclient.ROClientException, DbException, LcmException) as e:
1794             self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e))
1795             exc = e
1796         except asyncio.CancelledError:
1797             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
1798             exc = "Operation was cancelled"
1799         except Exception as e:
1800             exc = traceback.format_exc()
1801             self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e),
1802                                  exc_info=True)
1803         finally:
1804             if exc:
1805                 if db_nsr:
1806                     db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
1807                     db_nsr_update["operational-status"] = "failed"
1808                     db_nsr_update["config-status"] = "failed"
1809                 if db_nslcmop:
1810                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
1811                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
1812                     db_nslcmop_update["statusEnteredTime"] = time()
1813             try:
1814                 if db_nsr:
1815                     db_nsr_update["_admin.nslcmop"] = None
1816                     db_nsr_update["_admin.current-operation"] = None
1817                     db_nsr_update["_admin.operation-type"] = None
1818                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
1819
1820                     # nsState="READY/BROKEN", currentOperation="IDLE", currentOperationID=None
1821                     ns_state = None
1822                     error_description = None
1823                     if instantiated_ok:
1824                         ns_state = "READY"
1825                     else:
1826                         ns_state = "BROKEN"
1827                         error_description = 'Operation: INSTANTIATING.{}, step: {}'.format(nslcmop_id, step)
1828
1829                     self._write_ns_status(
1830                         nsr_id=nsr_id,
1831                         ns_state=ns_state,
1832                         current_operation="IDLE",
1833                         current_operation_id=None,
1834                         error_description=error_description
1835                     )
1836
1837                     self._write_op_status(
1838                         op_id=nslcmop_id,
1839                         error_message=error_description
1840                     )
1841
1842                 if db_nslcmop_update:
1843                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
1844
1845                 self.logger.debug(logging_text + 'End of instantiation: {}'.format(instantiated_ok))
1846
1847             except DbException as e:
1848                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
1849
1850             if nslcmop_operation_state:
1851                 try:
1852                     await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
1853                                                                    "operationState": nslcmop_operation_state},
1854                                             loop=self.loop)
1855                 except Exception as e:
1856                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
1857
1858             self.logger.debug(logging_text + "Exit")
1859             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate")
1860
1861     async def _add_vca_relations(self, logging_text, nsr_id, vca_index: int, timeout: int = 3600) -> bool:
1862
1863         # steps:
1864         # 1. find all relations for this VCA
1865         # 2. wait for other peers related
1866         # 3. add relations
1867
1868         try:
1869
1870             # STEP 1: find all relations for this VCA
1871
1872             # read nsr record
1873             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1874
1875             # this VCA data
1876             my_vca = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))[vca_index]
1877
1878             # read all ns-configuration relations
1879             ns_relations = list()
1880             db_ns_relations = deep_get(db_nsr, ('nsd', 'ns-configuration', 'relation'))
1881             if db_ns_relations:
1882                 for r in db_ns_relations:
1883                     # check if this VCA is in the relation
1884                     if my_vca.get('member-vnf-index') in\
1885                             (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
1886                         ns_relations.append(r)
1887
1888             # read all vnf-configuration relations
1889             vnf_relations = list()
1890             db_vnfd_list = db_nsr.get('vnfd-id')
1891             if db_vnfd_list:
1892                 for vnfd in db_vnfd_list:
1893                     db_vnfd = self.db.get_one("vnfds", {"_id": vnfd})
1894                     db_vnf_relations = deep_get(db_vnfd, ('vnf-configuration', 'relation'))
1895                     if db_vnf_relations:
1896                         for r in db_vnf_relations:
1897                             # check if this VCA is in the relation
1898                             if my_vca.get('vdu_id') in (r.get('entities')[0].get('id'), r.get('entities')[1].get('id')):
1899                                 vnf_relations.append(r)
1900
1901             # if no relations, terminate
1902             if not ns_relations and not vnf_relations:
1903                 self.logger.debug(logging_text + ' No relations')
1904                 return True
1905
1906             self.logger.debug(logging_text + ' adding relations\n    {}\n    {}'.format(ns_relations, vnf_relations))
1907
1908             # add all relations
1909             start = time()
1910             while True:
1911                 # check timeout
1912                 now = time()
1913                 if now - start >= timeout:
1914                     self.logger.error(logging_text + ' : timeout adding relations')
1915                     return False
1916
1917                 # reload nsr from database (we need to update record: _admin.deloyed.VCA)
1918                 db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
1919
1920                 # for each defined NS relation, find the VCA's related
1921                 for r in ns_relations:
1922                     from_vca_ee_id = None
1923                     to_vca_ee_id = None
1924                     from_vca_endpoint = None
1925                     to_vca_endpoint = None
1926                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
1927                     for vca in vca_list:
1928                         if vca.get('member-vnf-index') == r.get('entities')[0].get('id') \
1929                                 and vca.get('config_sw_installed'):
1930                             from_vca_ee_id = vca.get('ee_id')
1931                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
1932                         if vca.get('member-vnf-index') == r.get('entities')[1].get('id') \
1933                                 and vca.get('config_sw_installed'):
1934                             to_vca_ee_id = vca.get('ee_id')
1935                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
1936                     if from_vca_ee_id and to_vca_ee_id:
1937                         # add relation
1938                         await self.n2vc.add_relation(
1939                             ee_id_1=from_vca_ee_id,
1940                             ee_id_2=to_vca_ee_id,
1941                             endpoint_1=from_vca_endpoint,
1942                             endpoint_2=to_vca_endpoint)
1943                         # remove entry from relations list
1944                         ns_relations.remove(r)
1945                     else:
1946                         # check failed peers
1947                         try:
1948                             vca_status_list = db_nsr.get('configurationStatus')
1949                             if vca_status_list:
1950                                 for i in range(len(vca_list)):
1951                                     vca = vca_list[i]
1952                                     vca_status = vca_status_list[i]
1953                                     if vca.get('member-vnf-index') == r.get('entities')[0].get('id'):
1954                                         if vca_status.get('status') == 'BROKEN':
1955                                             # peer broken: remove relation from list
1956                                             ns_relations.remove(r)
1957                                     if vca.get('member-vnf-index') == r.get('entities')[1].get('id'):
1958                                         if vca_status.get('status') == 'BROKEN':
1959                                             # peer broken: remove relation from list
1960                                             ns_relations.remove(r)
1961                         except Exception:
1962                             # ignore
1963                             pass
1964
1965                 # for each defined VNF relation, find the VCA's related
1966                 for r in vnf_relations:
1967                     from_vca_ee_id = None
1968                     to_vca_ee_id = None
1969                     from_vca_endpoint = None
1970                     to_vca_endpoint = None
1971                     vca_list = deep_get(db_nsr, ('_admin', 'deployed', 'VCA'))
1972                     for vca in vca_list:
1973                         if vca.get('vdu_id') == r.get('entities')[0].get('id') and vca.get('config_sw_installed'):
1974                             from_vca_ee_id = vca.get('ee_id')
1975                             from_vca_endpoint = r.get('entities')[0].get('endpoint')
1976                         if vca.get('vdu_id') == r.get('entities')[1].get('id') and vca.get('config_sw_installed'):
1977                             to_vca_ee_id = vca.get('ee_id')
1978                             to_vca_endpoint = r.get('entities')[1].get('endpoint')
1979                     if from_vca_ee_id and to_vca_ee_id:
1980                         # add relation
1981                         await self.n2vc.add_relation(
1982                             ee_id_1=from_vca_ee_id,
1983                             ee_id_2=to_vca_ee_id,
1984                             endpoint_1=from_vca_endpoint,
1985                             endpoint_2=to_vca_endpoint)
1986                         # remove entry from relations list
1987                         vnf_relations.remove(r)
1988                     else:
1989                         # check failed peers
1990                         try:
1991                             vca_status_list = db_nsr.get('configurationStatus')
1992                             if vca_status_list:
1993                                 for i in range(len(vca_list)):
1994                                     vca = vca_list[i]
1995                                     vca_status = vca_status_list[i]
1996                                     if vca.get('vdu_id') == r.get('entities')[0].get('id'):
1997                                         if vca_status.get('status') == 'BROKEN':
1998                                             # peer broken: remove relation from list
1999                                             ns_relations.remove(r)
2000                                     if vca.get('vdu_id') == r.get('entities')[1].get('id'):
2001                                         if vca_status.get('status') == 'BROKEN':
2002                                             # peer broken: remove relation from list
2003                                             ns_relations.remove(r)
2004                         except Exception:
2005                             # ignore
2006                             pass
2007
2008                 # wait for next try
2009                 await asyncio.sleep(5.0)
2010
2011                 if not ns_relations and not vnf_relations:
2012                     self.logger.debug('Relations added')
2013                     break
2014
2015             return True
2016
2017         except Exception as e:
2018             self.logger.warn(logging_text + ' ERROR adding relations: {}'.format(e))
2019             return False
2020
2021     async def deploy_kdus(self, logging_text, nsr_id, db_nsr, db_vnfrs, db_vnfds):
2022         # Launch kdus if present in the descriptor
2023
2024         deployed_ok = True
2025
2026         k8scluster_id_2_uuic = {"helm-chart": {}, "juju-bundle": {}}
2027
2028         def _get_cluster_id(cluster_id, cluster_type):
2029             nonlocal k8scluster_id_2_uuic
2030             if cluster_id in k8scluster_id_2_uuic[cluster_type]:
2031                 return k8scluster_id_2_uuic[cluster_type][cluster_id]
2032
2033             db_k8scluster = self.db.get_one("k8sclusters", {"_id": cluster_id}, fail_on_empty=False)
2034             if not db_k8scluster:
2035                 raise LcmException("K8s cluster {} cannot be found".format(cluster_id))
2036             k8s_id = deep_get(db_k8scluster, ("_admin", cluster_type, "id"))
2037             if not k8s_id:
2038                 raise LcmException("K8s cluster '{}' has not been initilized for '{}'".format(cluster_id, cluster_type))
2039             k8scluster_id_2_uuic[cluster_type][cluster_id] = k8s_id
2040             return k8s_id
2041
2042         logging_text += "Deploy kdus: "
2043         try:
2044             db_nsr_update = {"_admin.deployed.K8s": []}
2045             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2046
2047             # Look for all vnfds
2048             pending_tasks = {}
2049             index = 0
2050             for vnfr_data in db_vnfrs.values():
2051                 for kdur in get_iterable(vnfr_data, "kdur"):
2052                     desc_params = self._format_additional_params(kdur.get("additionalParams"))
2053                     kdumodel = None
2054                     k8sclustertype = None
2055                     error_text = None
2056                     cluster_uuid = None
2057                     vnfd_id = vnfr_data.get('vnfd-id')
2058                     pkgdir = deep_get(db_vnfds.get(vnfd_id), ('_admin', 'storage', 'pkg-dir'))
2059                     if kdur.get("helm-chart"):
2060                         kdumodel = kdur["helm-chart"]
2061                         k8sclustertype = "chart"
2062                         k8sclustertype_full = "helm-chart"
2063                     elif kdur.get("juju-bundle"):
2064                         kdumodel = kdur["juju-bundle"]
2065                         k8sclustertype = "juju"
2066                         k8sclustertype_full = "juju-bundle"
2067                     else:
2068                         error_text = "kdu type is neither helm-chart nor juju-bundle. Maybe an old NBI version is" \
2069                                      " running"
2070                     # check if kdumodel is a file and exists
2071                     try:
2072                         # path format: /vnfdid/pkkdir/kdumodel
2073                         filename = '{}/{}/{}s/{}'.format(vnfd_id, pkgdir, k8sclustertype_full, kdumodel)
2074                         if self.fs.file_exists(filename, mode='file') or self.fs.file_exists(filename, mode='dir'):
2075                             kdumodel = self.fs.path + filename
2076                     except Exception:
2077                         # it is not a file
2078                         pass
2079                     try:
2080                         if not error_text:
2081                             cluster_uuid = _get_cluster_id(kdur["k8s-cluster"]["id"], k8sclustertype_full)
2082                     except LcmException as e:
2083                         error_text = str(e)
2084                         deployed_ok = False
2085
2086                     step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid)
2087
2088                     k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid,
2089                                         "k8scluster-type": k8sclustertype,
2090                                         "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel}
2091                     if error_text:
2092                         k8s_instace_info["detailed-status"] = error_text
2093                     db_nsr_update["_admin.deployed.K8s.{}".format(index)] = k8s_instace_info
2094                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2095                     if error_text:
2096                         continue
2097
2098                     db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s."
2099                                                                                         "{}".format(index)}
2100                     if k8sclustertype == "chart":
2101                         task = asyncio.ensure_future(
2102                             self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel, atomic=True,
2103                                                         params=desc_params, db_dict=db_dict, timeout=3600)
2104                         )
2105                     else:
2106                         task = asyncio.ensure_future(
2107                             self.k8sclusterjuju.install(cluster_uuid=cluster_uuid, kdu_model=kdumodel,
2108                                                         atomic=True, params=desc_params,
2109                                                         db_dict=db_dict, timeout=600,
2110                                                         kdu_name=kdur["kdu-name"])
2111                         )
2112
2113                     pending_tasks[task] = "_admin.deployed.K8s.{}.".format(index)
2114                     index += 1
2115
2116             if pending_tasks:
2117                 self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
2118                 pending_list = list(pending_tasks.keys())
2119                 while pending_list:
2120                     done_list, pending_list = await asyncio.wait(pending_list, timeout=30*60,
2121                                                                  return_when=asyncio.FIRST_COMPLETED)
2122                     if not done_list:   # timeout
2123                         for task in pending_list:
2124                             db_nsr_update[pending_tasks[task] + "detailed-status"] = "Timeout"
2125                             deployed_ok = False
2126                         break
2127                     for task in done_list:
2128                         exc = task.exception()
2129                         if exc:
2130                             db_nsr_update[pending_tasks[task] + "detailed-status"] = "{}".format(exc)
2131                             deployed_ok = False
2132                         else:
2133                             db_nsr_update[pending_tasks[task] + "kdu-instance"] = task.result()
2134
2135             if not deployed_ok:
2136                 raise LcmException('Cannot deploy KDUs')
2137
2138         except Exception as e:
2139             msg = "{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e)
2140             self.logger.error(msg)
2141             raise LcmException(msg)
2142         finally:
2143             if db_nsr_update:
2144                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2145
2146     def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id,
2147                      kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config,
2148                      base_folder, task_instantiation_list, task_instantiation_info):
2149         # launch instantiate_N2VC in a asyncio task and register task object
2150         # Look where information of this charm is at database <nsrs>._admin.deployed.VCA
2151         # if not found, create one entry and update database
2152
2153         # fill db_nsr._admin.deployed.VCA.<index>
2154         vca_index = -1
2155         for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]):
2156             if not vca_deployed:
2157                 continue
2158             if vca_deployed.get("member-vnf-index") == member_vnf_index and \
2159                     vca_deployed.get("vdu_id") == vdu_id and \
2160                     vca_deployed.get("kdu_name") == kdu_name and \
2161                     vca_deployed.get("vdu_count_index", 0) == vdu_index:
2162                 break
2163         else:
2164             # not found, create one.
2165             vca_deployed = {
2166                 "member-vnf-index": member_vnf_index,
2167                 "vdu_id": vdu_id,
2168                 "kdu_name": kdu_name,
2169                 "vdu_count_index": vdu_index,
2170                 "operational-status": "init",  # TODO revise
2171                 "detailed-status": "",  # TODO revise
2172                 "step": "initial-deploy",   # TODO revise
2173                 "vnfd_id": vnfd_id,
2174                 "vdu_name": vdu_name,
2175             }
2176             vca_index += 1
2177
2178             # create VCA and configurationStatus in db
2179             db_dict = {
2180                 "_admin.deployed.VCA.{}".format(vca_index): vca_deployed,
2181                 "configurationStatus.{}".format(vca_index): dict()
2182             }
2183             self.update_db_2("nsrs", nsr_id, db_dict)
2184
2185             db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed)
2186
2187         # Launch task
2188         task_n2vc = asyncio.ensure_future(
2189             self.instantiate_N2VC(
2190                 logging_text=logging_text,
2191                 vca_index=vca_index,
2192                 nsi_id=nsi_id,
2193                 db_nsr=db_nsr,
2194                 db_vnfr=db_vnfr,
2195                 vdu_id=vdu_id,
2196                 kdu_name=kdu_name,
2197                 vdu_index=vdu_index,
2198                 deploy_params=deploy_params,
2199                 config_descriptor=descriptor_config,
2200                 base_folder=base_folder,
2201                 nslcmop_id=nslcmop_id
2202             )
2203         )
2204         self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc)
2205         task_instantiation_info[task_n2vc] = "Deploy VCA {}.{}".format(member_vnf_index or "", vdu_id or "")
2206         task_instantiation_list.append(task_n2vc)
2207
2208     # Check if this VNFD has a configured terminate action
2209     def _has_terminate_config_primitive(self, vnfd):
2210         vnf_config = vnfd.get("vnf-configuration")
2211         if vnf_config and vnf_config.get("terminate-config-primitive"):
2212             return True
2213         else:
2214             return False
2215
2216     @staticmethod
2217     def _get_terminate_config_primitive_seq_list(vnfd):
2218         """ Get a numerically sorted list of the sequences for this VNFD's terminate action """
2219         # No need to check for existing primitive twice, already done before
2220         vnf_config = vnfd.get("vnf-configuration")
2221         seq_list = vnf_config.get("terminate-config-primitive")
2222         # Get all 'seq' tags in seq_list, order sequences numerically, ascending.
2223         seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq']))
2224         return seq_list_sorted
2225
2226     @staticmethod
2227     def _create_nslcmop(nsr_id, operation, params):
2228         """
2229         Creates a ns-lcm-opp content to be stored at database.
2230         :param nsr_id: internal id of the instance
2231         :param operation: instantiate, terminate, scale, action, ...
2232         :param params: user parameters for the operation
2233         :return: dictionary following SOL005 format
2234         """
2235         # Raise exception if invalid arguments
2236         if not (nsr_id and operation and params):
2237             raise LcmException(
2238                 "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided")
2239         now = time()
2240         _id = str(uuid4())
2241         nslcmop = {
2242             "id": _id,
2243             "_id": _id,
2244             # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK
2245             "operationState": "PROCESSING",
2246             "statusEnteredTime": now,
2247             "nsInstanceId": nsr_id,
2248             "lcmOperationType": operation,
2249             "startTime": now,
2250             "isAutomaticInvocation": False,
2251             "operationParams": params,
2252             "isCancelPending": False,
2253             "links": {
2254                 "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id,
2255                 "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id,
2256             }
2257         }
2258         return nslcmop
2259
2260     def _format_additional_params(self, params):
2261         params = params or {}
2262         for key, value in params.items():
2263             if str(value).startswith("!!yaml "):
2264                 params[key] = yaml.safe_load(value[7:])
2265         return params
2266
2267     def _get_terminate_primitive_params(self, seq, vnf_index):
2268         primitive = seq.get('name')
2269         primitive_params = {}
2270         params = {
2271             "member_vnf_index": vnf_index,
2272             "primitive": primitive,
2273             "primitive_params": primitive_params,
2274         }
2275         desc_params = {}
2276         return self._map_primitive_params(seq, params, desc_params)
2277
2278     # sub-operations
2279
2280     def _reintent_or_skip_suboperation(self, db_nslcmop, op_index):
2281         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
2282         if (op.get('operationState') == 'COMPLETED'):
2283             # b. Skip sub-operation
2284             # _ns_execute_primitive() or RO.create_action() will NOT be executed
2285             return self.SUBOPERATION_STATUS_SKIP
2286         else:
2287             # c. Reintent executing sub-operation
2288             # The sub-operation exists, and operationState != 'COMPLETED'
2289             # Update operationState = 'PROCESSING' to indicate a reintent.
2290             operationState = 'PROCESSING'
2291             detailed_status = 'In progress'
2292             self._update_suboperation_status(
2293                 db_nslcmop, op_index, operationState, detailed_status)
2294             # Return the sub-operation index
2295             # _ns_execute_primitive() or RO.create_action() will be called from scale()
2296             # with arguments extracted from the sub-operation
2297             return op_index
2298
2299     # Find a sub-operation where all keys in a matching dictionary must match
2300     # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match
2301     def _find_suboperation(self, db_nslcmop, match):
2302         if (db_nslcmop and match):
2303             op_list = db_nslcmop.get('_admin', {}).get('operations', [])
2304             for i, op in enumerate(op_list):
2305                 if all(op.get(k) == match[k] for k in match):
2306                     return i
2307         return self.SUBOPERATION_STATUS_NOT_FOUND
2308
2309     # Update status for a sub-operation given its index
2310     def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status):
2311         # Update DB for HA tasks
2312         q_filter = {'_id': db_nslcmop['_id']}
2313         update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
2314                        '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
2315         self.db.set_one("nslcmops",
2316                         q_filter=q_filter,
2317                         update_dict=update_dict,
2318                         fail_on_empty=False)
2319
2320     # Add sub-operation, return the index of the added sub-operation
2321     # Optionally, set operationState, detailed-status, and operationType
2322     # Status and type are currently set for 'scale' sub-operations:
2323     # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED'
2324     # 'detailed-status' : status message
2325     # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE'
2326     # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations.
2327     def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive,
2328                           mapped_primitive_params, operationState=None, detailed_status=None, operationType=None,
2329                           RO_nsr_id=None, RO_scaling_info=None):
2330         if not (db_nslcmop):
2331             return self.SUBOPERATION_STATUS_NOT_FOUND
2332         # Get the "_admin.operations" list, if it exists
2333         db_nslcmop_admin = db_nslcmop.get('_admin', {})
2334         op_list = db_nslcmop_admin.get('operations')
2335         # Create or append to the "_admin.operations" list
2336         new_op = {'member_vnf_index': vnf_index,
2337                   'vdu_id': vdu_id,
2338                   'vdu_count_index': vdu_count_index,
2339                   'primitive': primitive,
2340                   'primitive_params': mapped_primitive_params}
2341         if operationState:
2342             new_op['operationState'] = operationState
2343         if detailed_status:
2344             new_op['detailed-status'] = detailed_status
2345         if operationType:
2346             new_op['lcmOperationType'] = operationType
2347         if RO_nsr_id:
2348             new_op['RO_nsr_id'] = RO_nsr_id
2349         if RO_scaling_info:
2350             new_op['RO_scaling_info'] = RO_scaling_info
2351         if not op_list:
2352             # No existing operations, create key 'operations' with current operation as first list element
2353             db_nslcmop_admin.update({'operations': [new_op]})
2354             op_list = db_nslcmop_admin.get('operations')
2355         else:
2356             # Existing operations, append operation to list
2357             op_list.append(new_op)
2358
2359         db_nslcmop_update = {'_admin.operations': op_list}
2360         self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update)
2361         op_index = len(op_list) - 1
2362         return op_index
2363
2364     # Helper methods for scale() sub-operations
2365
2366     # pre-scale/post-scale:
2367     # Check for 3 different cases:
2368     # a. New: First time execution, return SUBOPERATION_STATUS_NEW
2369     # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP
2370     # c. Reintent: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute
2371     def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params,
2372                                          operationType, RO_nsr_id=None, RO_scaling_info=None):
2373         # Find this sub-operation
2374         if (RO_nsr_id and RO_scaling_info):
2375             operationType = 'SCALE-RO'
2376             match = {
2377                 'member_vnf_index': vnf_index,
2378                 'RO_nsr_id': RO_nsr_id,
2379                 'RO_scaling_info': RO_scaling_info,
2380             }
2381         else:
2382             match = {
2383                 'member_vnf_index': vnf_index,
2384                 'primitive': vnf_config_primitive,
2385                 'primitive_params': primitive_params,
2386                 'lcmOperationType': operationType
2387             }
2388         op_index = self._find_suboperation(db_nslcmop, match)
2389         if (op_index == self.SUBOPERATION_STATUS_NOT_FOUND):
2390             # a. New sub-operation
2391             # The sub-operation does not exist, add it.
2392             # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments
2393             # The following parameters are set to None for all kind of scaling:
2394             vdu_id = None
2395             vdu_count_index = None
2396             vdu_name = None
2397             if (RO_nsr_id and RO_scaling_info):
2398                 vnf_config_primitive = None
2399                 primitive_params = None
2400             else:
2401                 RO_nsr_id = None
2402                 RO_scaling_info = None
2403             # Initial status for sub-operation
2404             operationState = 'PROCESSING'
2405             detailed_status = 'In progress'
2406             # Add sub-operation for pre/post-scaling (zero or more operations)
2407             self._add_suboperation(db_nslcmop,
2408                                    vnf_index,
2409                                    vdu_id,
2410                                    vdu_count_index,
2411                                    vdu_name,
2412                                    vnf_config_primitive,
2413                                    primitive_params,
2414                                    operationState,
2415                                    detailed_status,
2416                                    operationType,
2417                                    RO_nsr_id,
2418                                    RO_scaling_info)
2419             return self.SUBOPERATION_STATUS_NEW
2420         else:
2421             # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'),
2422             # or op_index (operationState != 'COMPLETED')
2423             return self._reintent_or_skip_suboperation(db_nslcmop, op_index)
2424
2425     # Function to return execution_environment id
2426
2427     def _get_ee_id(self, vnf_index, vdu_id, vca_deployed_list):
2428         for vca in vca_deployed_list:
2429             if vca["member-vnf-index"] == vnf_index and vca["vdu_id"] == vdu_id:
2430                 return vca["ee_id"]
2431
2432     # Helper methods for terminate()
2433
2434     async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id):
2435         """ Create a primitive with params from VNFD
2436             Called from terminate() before deleting instance
2437             Calls action() to execute the primitive """
2438         logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id)
2439         db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2440         vca_deployed_list = db_nsr["_admin"]["deployed"]["VCA"]
2441         db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
2442         db_vnfds = {}
2443         # Loop over VNFRs
2444         for vnfr in db_vnfrs_list:
2445             vnfd_id = vnfr["vnfd-id"]
2446             vnf_index = vnfr["member-vnf-index-ref"]
2447             if vnfd_id not in db_vnfds:
2448                 step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_id)
2449                 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
2450                 db_vnfds[vnfd_id] = vnfd
2451             vnfd = db_vnfds[vnfd_id]
2452             if not self._has_terminate_config_primitive(vnfd):
2453                 continue
2454             # Get the primitive's sorted sequence list
2455             seq_list = self._get_terminate_config_primitive_seq_list(vnfd)
2456             for seq in seq_list:
2457                 # For each sequence in list, get primitive and call _ns_execute_primitive()
2458                 step = "Calling terminate action for vnf_member_index={} primitive={}".format(
2459                     vnf_index, seq.get("name"))
2460                 self.logger.debug(logging_text + step)
2461                 # Create the primitive for each sequence, i.e. "primitive": "touch"
2462                 primitive = seq.get('name')
2463                 mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index)
2464                 # The following 3 parameters are currently set to None for 'terminate':
2465                 # vdu_id, vdu_count_index, vdu_name
2466                 vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2467                 vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2468                 vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2469                 # Add sub-operation
2470                 self._add_suboperation(db_nslcmop,
2471                                        nslcmop_id,
2472                                        vnf_index,
2473                                        vdu_id,
2474                                        vdu_count_index,
2475                                        vdu_name,
2476                                        primitive,
2477                                        mapped_primitive_params)
2478                 # Sub-operations: Call _ns_execute_primitive() instead of action()
2479                 # db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2480                 # nsr_deployed = db_nsr["_admin"]["deployed"]
2481
2482                 # nslcmop_operation_state, nslcmop_operation_state_detail = await self.action(
2483                 #    nsr_id, nslcmop_terminate_action_id)
2484                 # Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED']
2485                 # result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED']
2486                 # if result not in result_ok:
2487                 #     raise LcmException(
2488                 #         "terminate_primitive_action for vnf_member_index={}",
2489                 #         " primitive={} fails with error {}".format(
2490                 #             vnf_index, seq.get("name"), result_detail))
2491
2492                 ee_id = self._get_ee_id(vnf_index, vdu_id, vca_deployed_list)
2493                 try:
2494                     await self.n2vc.exec_primitive(
2495                         ee_id=ee_id,
2496                         primitive_name=primitive,
2497                         params_dict=mapped_primitive_params
2498                     )
2499                 except Exception as e:
2500                     self.logger.error('Error executing primitive {}: {}'.format(primitive, e))
2501                     raise LcmException(
2502                         "terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}"
2503                         .format(vnf_index, seq.get("name"), e),
2504                     )
2505
2506     async def _delete_N2VC(self, nsr_id: str):
2507         self._write_all_config_status(nsr_id=nsr_id, status='TERMINATING')
2508         namespace = "." + nsr_id
2509         await self.n2vc.delete_namespace(namespace=namespace)
2510         self._write_all_config_status(nsr_id=nsr_id, status='DELETED')
2511
2512     async def terminate(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={} terminate={} ".format(nsr_id, nslcmop_id)
2520         self.logger.debug(logging_text + "Enter")
2521         db_nsr = None
2522         db_nslcmop = None
2523         exc = None
2524         failed_detail = []   # annotates all failed error messages
2525         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2526                          "_admin.current-operation": nslcmop_id,
2527                          "_admin.operation-type": "terminate"}
2528         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2529         db_nslcmop_update = {}
2530         nslcmop_operation_state = None
2531         autoremove = False  # autoremove after terminated
2532         pending_tasks = []
2533         try:
2534             # wait for any previous tasks in process
2535             step = "Waiting for previous operations to terminate"
2536             await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id)
2537
2538             self._write_ns_status(
2539                 nsr_id=nsr_id,
2540                 ns_state="TERMINATING",
2541                 current_operation="TERMINATING",
2542                 current_operation_id=nslcmop_id
2543             )
2544             self._write_op_status(
2545                 op_id=nslcmop_id,
2546                 queuePosition=0
2547             )
2548
2549             step = "Getting nslcmop={} from db".format(nslcmop_id)
2550             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2551             step = "Getting nsr={} from db".format(nsr_id)
2552             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2553             # nsd = db_nsr["nsd"]
2554             nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed"))
2555             if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED":
2556                 return
2557             # #TODO check if VIM is creating and wait
2558             # RO_vim_id = db_vim["_admin"]["deployed"]["RO"]
2559             # Call internal terminate action
2560             await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id)
2561
2562             pending_tasks = []
2563
2564             db_nsr_update["operational-status"] = "terminating"
2565             db_nsr_update["config-status"] = "terminating"
2566
2567             # remove NS
2568             try:
2569                 step = "delete execution environment"
2570                 self.logger.debug(logging_text + step)
2571
2572                 task_delete_ee = asyncio.ensure_future(self._delete_N2VC(nsr_id=nsr_id))
2573                 # task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id))
2574
2575                 pending_tasks.append(task_delete_ee)
2576             except Exception as e:
2577                 msg = "Failed while deleting ns={} in VCA: {}".format(nsr_id, e)
2578                 self.logger.error(msg)
2579                 failed_detail.append(msg)
2580
2581             try:
2582                 # Delete from k8scluster
2583                 step = "delete kdus"
2584                 self.logger.debug(logging_text + step)
2585                 # print(nsr_deployed)
2586                 if nsr_deployed:
2587                     for kdu in nsr_deployed.get("K8s", ()):
2588                         kdu_instance = kdu.get("kdu-instance")
2589                         if not kdu_instance:
2590                             continue
2591                         if kdu.get("k8scluster-type") == "chart":
2592                             task_delete_kdu_instance = asyncio.ensure_future(
2593                                 self.k8sclusterhelm.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
2594                                                               kdu_instance=kdu_instance))
2595                         elif kdu.get("k8scluster-type") == "juju":
2596                             task_delete_kdu_instance = asyncio.ensure_future(
2597                                 self.k8sclusterjuju.uninstall(cluster_uuid=kdu.get("k8scluster-uuid"),
2598                                                               kdu_instance=kdu_instance))
2599                         else:
2600                             self.error(logging_text + "Unknown k8s deployment type {}".
2601                                        format(kdu.get("k8scluster-type")))
2602                             continue
2603                         pending_tasks.append(task_delete_kdu_instance)
2604             except LcmException as e:
2605                 msg = "Failed while deleting KDUs from ns={}: {}".format(nsr_id, e)
2606                 self.logger.error(msg)
2607                 failed_detail.append(msg)
2608
2609             # remove from RO
2610             RO_fail = False
2611
2612             # Delete ns
2613             RO_nsr_id = RO_delete_action = None
2614             if nsr_deployed and nsr_deployed.get("RO"):
2615                 RO_nsr_id = nsr_deployed["RO"].get("nsr_id")
2616                 RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id")
2617             try:
2618                 if RO_nsr_id:
2619                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \
2620                         "Deleting ns from VIM"
2621                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2622                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2623                     self.logger.debug(logging_text + step)
2624                     desc = await self.RO.delete("ns", RO_nsr_id)
2625                     RO_delete_action = desc["action_id"]
2626                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action
2627                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2628                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2629                 if RO_delete_action:
2630                     # wait until NS is deleted from VIM
2631                     step = detailed_status = "Waiting ns deleted from VIM. RO_id={} RO_delete_action={}".\
2632                         format(RO_nsr_id, RO_delete_action)
2633                     detailed_status_old = None
2634                     self.logger.debug(logging_text + step)
2635
2636                     delete_timeout = 20 * 60   # 20 minutes
2637                     while delete_timeout > 0:
2638                         desc = await self.RO.show(
2639                             "ns",
2640                             item_id_name=RO_nsr_id,
2641                             extra_item="action",
2642                             extra_item_id=RO_delete_action)
2643
2644                         # deploymentStatus
2645                         self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
2646
2647                         ns_status, ns_status_info = self.RO.check_action_status(desc)
2648                         if ns_status == "ERROR":
2649                             raise ROclient.ROClientException(ns_status_info)
2650                         elif ns_status == "BUILD":
2651                             detailed_status = step + "; {}".format(ns_status_info)
2652                         elif ns_status == "ACTIVE":
2653                             db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2654                             db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2655                             break
2656                         else:
2657                             assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
2658                         if detailed_status != detailed_status_old:
2659                             detailed_status_old = db_nslcmop_update["detailed-status"] = \
2660                                 db_nsr_update["detailed-status"] = detailed_status
2661                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2662                             self.update_db_2("nsrs", nsr_id, db_nsr_update)
2663                         await asyncio.sleep(5, loop=self.loop)
2664                         delete_timeout -= 5
2665                     else:  # delete_timeout <= 0:
2666                         raise ROclient.ROClientException("Timeout waiting ns deleted from VIM")
2667
2668             except ROclient.ROClientException as e:
2669                 if e.http_code == 404:  # not found
2670                     db_nsr_update["_admin.deployed.RO.nsr_id"] = None
2671                     db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED"
2672                     db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None
2673                     self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id))
2674                 elif e.http_code == 409:   # conflict
2675                     failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e))
2676                     self.logger.debug(logging_text + failed_detail[-1])
2677                     RO_fail = True
2678                 else:
2679                     failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e))
2680                     self.logger.error(logging_text + failed_detail[-1])
2681                     RO_fail = True
2682
2683             # Delete nsd
2684             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("nsd_id"):
2685                 RO_nsd_id = nsr_deployed["RO"]["nsd_id"]
2686                 try:
2687                     step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2688                         "Deleting nsd from RO"
2689                     await self.RO.delete("nsd", RO_nsd_id)
2690                     self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id))
2691                     db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2692                 except ROclient.ROClientException as e:
2693                     if e.http_code == 404:  # not found
2694                         db_nsr_update["_admin.deployed.RO.nsd_id"] = None
2695                         self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id))
2696                     elif e.http_code == 409:   # conflict
2697                         failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e))
2698                         self.logger.debug(logging_text + failed_detail[-1])
2699                         RO_fail = True
2700                     else:
2701                         failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e))
2702                         self.logger.error(logging_text + failed_detail[-1])
2703                         RO_fail = True
2704
2705             if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("vnfd"):
2706                 for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]):
2707                     if not vnf_deployed or not vnf_deployed["id"]:
2708                         continue
2709                     try:
2710                         RO_vnfd_id = vnf_deployed["id"]
2711                         step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\
2712                             "Deleting member_vnf_index={} RO_vnfd_id={} from RO".format(
2713                                 vnf_deployed["member-vnf-index"], RO_vnfd_id)
2714                         await self.RO.delete("vnfd", RO_vnfd_id)
2715                         self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id))
2716                         db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2717                     except ROclient.ROClientException as e:
2718                         if e.http_code == 404:  # not found
2719                             db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None
2720                             self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id))
2721                         elif e.http_code == 409:   # conflict
2722                             failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e))
2723                             self.logger.debug(logging_text + failed_detail[-1])
2724                         else:
2725                             failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e))
2726                             self.logger.error(logging_text + failed_detail[-1])
2727
2728             if failed_detail:
2729                 terminate_ok = False
2730                 self.logger.error(logging_text + " ;".join(failed_detail))
2731                 db_nsr_update["operational-status"] = "failed"
2732                 db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail)
2733                 db_nslcmop_update["detailed-status"] = "; ".join(failed_detail)
2734                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2735                 db_nslcmop_update["statusEnteredTime"] = time()
2736             else:
2737                 terminate_ok = True
2738                 db_nsr_update["operational-status"] = "terminated"
2739                 db_nsr_update["detailed-status"] = "Done"
2740                 db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED"
2741                 db_nslcmop_update["detailed-status"] = "Done"
2742                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
2743                 db_nslcmop_update["statusEnteredTime"] = time()
2744                 if db_nslcmop["operationParams"].get("autoremove"):
2745                     autoremove = True
2746
2747         except (ROclient.ROClientException, DbException, LcmException) as e:
2748             self.logger.error(logging_text + "Exit Exception {}".format(e))
2749             exc = e
2750         except asyncio.CancelledError:
2751             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
2752             exc = "Operation was cancelled"
2753         except Exception as e:
2754             exc = traceback.format_exc()
2755             self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True)
2756         finally:
2757             if exc and db_nslcmop:
2758                 db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
2759                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
2760                 db_nslcmop_update["statusEnteredTime"] = time()
2761             try:
2762                 if db_nslcmop and db_nslcmop_update:
2763                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
2764                 if db_nsr:
2765                     db_nsr_update["_admin.nslcmop"] = None
2766                     db_nsr_update["_admin.current-operation"] = None
2767                     db_nsr_update["_admin.operation-type"] = None
2768                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
2769
2770                     if terminate_ok:
2771                         ns_state = "IDLE"
2772                         error_description = None
2773                         error_detail = None
2774                     else:
2775                         ns_state = "BROKEN"
2776                         error_detail = "; ".join(failed_detail)
2777                         error_description = 'Operation: TERMINATING.{}, step: {}. Detail: {}'\
2778                             .format(nslcmop_id, step, error_detail)
2779
2780                     self._write_ns_status(
2781                         nsr_id=nsr_id,
2782                         ns_state=ns_state,
2783                         current_operation="IDLE",
2784                         current_operation_id=None,
2785                         error_description=error_description
2786                     )
2787
2788                     self._write_op_status(
2789                         op_id=nslcmop_id,
2790                         error_message=error_description
2791                     )
2792
2793             except DbException as e:
2794                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
2795             if nslcmop_operation_state:
2796                 try:
2797                     await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
2798                                                                  "operationState": nslcmop_operation_state,
2799                                                                  "autoremove": autoremove},
2800                                             loop=self.loop)
2801                 except Exception as e:
2802                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
2803
2804             # wait for pending tasks
2805             done = None
2806             pending = None
2807             if pending_tasks:
2808                 self.logger.debug(logging_text + 'Waiting for terminate pending tasks...')
2809                 done, pending = await asyncio.wait(pending_tasks, timeout=3600)
2810                 if not pending:
2811                     self.logger.debug(logging_text + 'All tasks finished...')
2812                 else:
2813                     self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending))
2814
2815             self.logger.debug(logging_text + "Exit")
2816             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate")
2817
2818     @staticmethod
2819     def _map_primitive_params(primitive_desc, params, instantiation_params):
2820         """
2821         Generates the params to be provided to charm before executing primitive. If user does not provide a parameter,
2822         The default-value is used. If it is between < > it look for a value at instantiation_params
2823         :param primitive_desc: portion of VNFD/NSD that describes primitive
2824         :param params: Params provided by user
2825         :param instantiation_params: Instantiation params provided by user
2826         :return: a dictionary with the calculated params
2827         """
2828         calculated_params = {}
2829         for parameter in primitive_desc.get("parameter", ()):
2830             param_name = parameter["name"]
2831             if param_name in params:
2832                 calculated_params[param_name] = params[param_name]
2833             elif "default-value" in parameter or "value" in parameter:
2834                 if "value" in parameter:
2835                     calculated_params[param_name] = parameter["value"]
2836                 else:
2837                     calculated_params[param_name] = parameter["default-value"]
2838                 if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \
2839                         and calculated_params[param_name].endswith(">"):
2840                     if calculated_params[param_name][1:-1] in instantiation_params:
2841                         calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]]
2842                     else:
2843                         raise LcmException("Parameter {} needed to execute primitive {} not provided".
2844                                            format(calculated_params[param_name], primitive_desc["name"]))
2845             else:
2846                 raise LcmException("Parameter {} needed to execute primitive {} not provided".
2847                                    format(param_name, primitive_desc["name"]))
2848
2849             if isinstance(calculated_params[param_name], (dict, list, tuple)):
2850                 calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name], default_flow_style=True,
2851                                                                width=256)
2852             elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "):
2853                 calculated_params[param_name] = calculated_params[param_name][7:]
2854
2855         # add always ns_config_info if primitive name is config
2856         if primitive_desc["name"] == "config":
2857             if "ns_config_info" in instantiation_params:
2858                 calculated_params["ns_config_info"] = instantiation_params["ns_config_info"]
2859         return calculated_params
2860
2861     async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index,
2862                                     primitive, primitive_params, retries=0, retries_interval=30) -> (str, str):
2863
2864         # find vca_deployed record for this action
2865         try:
2866             for vca_deployed in db_deployed["VCA"]:
2867                 if not vca_deployed:
2868                     continue
2869                 if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]:
2870                     continue
2871                 if vdu_name and vdu_name != vca_deployed["vdu_name"]:
2872                     continue
2873                 if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]:
2874                     continue
2875                 break
2876             else:
2877                 # vca_deployed not found
2878                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not "
2879                                    "deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2880
2881             # get ee_id
2882             ee_id = vca_deployed.get("ee_id")
2883             if not ee_id:
2884                 raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not "
2885                                    "execution environment"
2886                                    .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index))
2887
2888             if primitive == "config":
2889                 primitive_params = {"params": primitive_params}
2890
2891             while retries >= 0:
2892                 try:
2893                     output = await self.n2vc.exec_primitive(
2894                         ee_id=ee_id,
2895                         primitive_name=primitive,
2896                         params_dict=primitive_params
2897                     )
2898                     # execution was OK
2899                     break
2900                 except Exception as e:
2901                     retries -= 1
2902                     if retries >= 0:
2903                         self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e))
2904                         # wait and retry
2905                         await asyncio.sleep(retries_interval, loop=self.loop)
2906                     else:
2907                         return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL'
2908
2909             return output, 'OK'
2910
2911         except Exception as e:
2912             return 'Error executing action {}: {}'.format(primitive, e), 'FAIL'
2913
2914     async def action(self, nsr_id, nslcmop_id):
2915
2916         # Try to lock HA task here
2917         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
2918         if not task_is_locked_by_me:
2919             return
2920
2921         logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id)
2922         self.logger.debug(logging_text + "Enter")
2923         # get all needed from database
2924         db_nsr = None
2925         db_nslcmop = None
2926         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
2927                          "_admin.current-operation": nslcmop_id,
2928                          "_admin.operation-type": "action"}
2929         self.update_db_2("nsrs", nsr_id, db_nsr_update)
2930         db_nslcmop_update = {}
2931         nslcmop_operation_state = None
2932         nslcmop_operation_state_detail = None
2933         exc = None
2934         try:
2935             # wait for any previous tasks in process
2936             step = "Waiting for previous operations to terminate"
2937             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
2938
2939             self._write_ns_status(
2940                 nsr_id=nsr_id,
2941                 ns_state=None,
2942                 current_operation="RUNNING ACTION",
2943                 current_operation_id=nslcmop_id
2944             )
2945
2946             step = "Getting information from database"
2947             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
2948             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
2949
2950             nsr_deployed = db_nsr["_admin"].get("deployed")
2951             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
2952             vdu_id = db_nslcmop["operationParams"].get("vdu_id")
2953             kdu_name = db_nslcmop["operationParams"].get("kdu_name")
2954             vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
2955             vdu_name = db_nslcmop["operationParams"].get("vdu_name")
2956
2957             if vnf_index:
2958                 step = "Getting vnfr from database"
2959                 db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
2960                 step = "Getting vnfd from database"
2961                 db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
2962             else:
2963                 if db_nsr.get("nsd"):
2964                     db_nsd = db_nsr.get("nsd")    # TODO this will be removed
2965                 else:
2966                     step = "Getting nsd from database"
2967                     db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]})
2968
2969             # for backward compatibility
2970             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
2971                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
2972                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
2973                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
2974
2975             primitive = db_nslcmop["operationParams"]["primitive"]
2976             primitive_params = db_nslcmop["operationParams"]["primitive_params"]
2977
2978             # look for primitive
2979             config_primitive_desc = None
2980             if vdu_id:
2981                 for vdu in get_iterable(db_vnfd, "vdu"):
2982                     if vdu_id == vdu["id"]:
2983                         for config_primitive in vdu.get("vdu-configuration", {}).get("config-primitive", ()):
2984                             if config_primitive["name"] == primitive:
2985                                 config_primitive_desc = config_primitive
2986                                 break
2987             elif kdu_name:
2988                 self.logger.debug(logging_text + "Checking actions in KDUs")
2989                 kdur = next((x for x in db_vnfr["kdur"] if x["kdu-name"] == kdu_name), None)
2990                 desc_params = self._format_additional_params(kdur.get("additionalParams")) or {}
2991                 if primitive_params:
2992                     desc_params.update(primitive_params)
2993                 # TODO Check if we will need something at vnf level
2994                 index = 0
2995                 for kdu in get_iterable(nsr_deployed, "K8s"):
2996                     if kdu_name == kdu["kdu-name"]:
2997                         db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id},
2998                                    "path": "_admin.deployed.K8s.{}".format(index)}
2999                         if primitive == "upgrade":
3000                             if desc_params.get("kdu_model"):
3001                                 kdu_model = desc_params.get("kdu_model")
3002                                 del desc_params["kdu_model"]
3003                             else:
3004                                 kdu_model = kdu.get("kdu-model")
3005                                 parts = kdu_model.split(sep=":")
3006                                 if len(parts) == 2:
3007                                     kdu_model = parts[0]
3008
3009                             if kdu.get("k8scluster-type") == "chart":
3010                                 output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
3011                                                                            kdu_instance=kdu.get("kdu-instance"),
3012                                                                            atomic=True, kdu_model=kdu_model,
3013                                                                            params=desc_params, db_dict=db_dict,
3014                                                                            timeout=300)
3015                             elif kdu.get("k8scluster-type") == "juju":
3016                                 output = await self.k8sclusterjuju.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"),
3017                                                                            kdu_instance=kdu.get("kdu-instance"),
3018                                                                            atomic=True, kdu_model=kdu_model,
3019                                                                            params=desc_params, db_dict=db_dict,
3020                                                                            timeout=300)
3021
3022                             else:
3023                                 msg = "k8scluster-type not defined"
3024                                 raise LcmException(msg)
3025
3026                             self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output))
3027                             break
3028                         elif primitive == "rollback":
3029                             if kdu.get("k8scluster-type") == "chart":
3030                                 output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
3031                                                                             kdu_instance=kdu.get("kdu-instance"),
3032                                                                             db_dict=db_dict)
3033                             elif kdu.get("k8scluster-type") == "juju":
3034                                 output = await self.k8sclusterjuju.rollback(cluster_uuid=kdu.get("k8scluster-uuid"),
3035                                                                             kdu_instance=kdu.get("kdu-instance"),
3036                                                                             db_dict=db_dict)
3037                             else:
3038                                 msg = "k8scluster-type not defined"
3039                                 raise LcmException(msg)
3040                             break
3041                         elif primitive == "status":
3042                             if kdu.get("k8scluster-type") == "chart":
3043                                 output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
3044                                                                               kdu_instance=kdu.get("kdu-instance"))
3045                             elif kdu.get("k8scluster-type") == "juju":
3046                                 output = await self.k8sclusterjuju.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"),
3047                                                                               kdu_instance=kdu.get("kdu-instance"))
3048                             else:
3049                                 msg = "k8scluster-type not defined"
3050                                 raise LcmException(msg)
3051                             break
3052                     index += 1
3053
3054                 else:
3055                     raise LcmException("KDU '{}' not found".format(kdu_name))
3056                 if output:
3057                     db_nslcmop_update["detailed-status"] = output
3058                     db_nslcmop_update["operationState"] = 'COMPLETED'
3059                     db_nslcmop_update["statusEnteredTime"] = time()
3060                 else:
3061                     db_nslcmop_update["detailed-status"] = ''
3062                     db_nslcmop_update["operationState"] = 'FAILED'
3063                     db_nslcmop_update["statusEnteredTime"] = time()
3064                 return
3065             elif vnf_index:
3066                 for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3067                     if config_primitive["name"] == primitive:
3068                         config_primitive_desc = config_primitive
3069                         break
3070             else:
3071                 for config_primitive in db_nsd.get("ns-configuration", {}).get("config-primitive", ()):
3072                     if config_primitive["name"] == primitive:
3073                         config_primitive_desc = config_primitive
3074                         break
3075
3076             if not config_primitive_desc:
3077                 raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ".
3078                                    format(primitive))
3079
3080             desc_params = {}
3081             if vnf_index:
3082                 if db_vnfr.get("additionalParamsForVnf"):
3083                     desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"])
3084                 if vdu_id:
3085                     vdur = next((x for x in db_vnfr["vdur"] if x["vdu-id-ref"] == vdu_id), None)
3086                     if vdur.get("additionalParams"):
3087                         desc_params = self._format_additional_params(vdur["additionalParams"])
3088             else:
3089                 if db_nsr.get("additionalParamsForNs"):
3090                     desc_params.update(self._format_additional_params(db_nsr["additionalParamsForNs"]))
3091
3092             # TODO check if ns is in a proper status
3093             output, detail = await self._ns_execute_primitive(
3094                 db_deployed=nsr_deployed,
3095                 member_vnf_index=vnf_index,
3096                 vdu_id=vdu_id,
3097                 vdu_name=vdu_name,
3098                 vdu_count_index=vdu_count_index,
3099                 primitive=primitive,
3100                 primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params))
3101
3102             detailed_status = output
3103             if detail == 'OK':
3104                 result = 'COMPLETED'
3105             else:
3106                 result = 'FAILED'
3107
3108             db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status
3109             db_nslcmop_update["operationState"] = nslcmop_operation_state = result
3110             db_nslcmop_update["statusEnteredTime"] = time()
3111             self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status))
3112             return  # database update is called inside finally
3113
3114         except (DbException, LcmException) as e:
3115             self.logger.error(logging_text + "Exit Exception {}".format(e))
3116             exc = e
3117         except asyncio.CancelledError:
3118             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3119             exc = "Operation was cancelled"
3120         except Exception as e:
3121             exc = traceback.format_exc()
3122             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3123         finally:
3124             if exc and db_nslcmop:
3125                 db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \
3126                     "FAILED {}: {}".format(step, exc)
3127                 db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
3128                 db_nslcmop_update["statusEnteredTime"] = time()
3129             try:
3130                 if db_nslcmop_update:
3131                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3132                 if db_nsr:
3133                     db_nsr_update["_admin.nslcmop"] = None
3134                     db_nsr_update["_admin.operation-type"] = None
3135                     db_nsr_update["_admin.nslcmop"] = None
3136                     db_nsr_update["_admin.current-operation"] = None
3137                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3138                     self._write_ns_status(
3139                         nsr_id=nsr_id,
3140                         ns_state=None,
3141                         current_operation="IDLE",
3142                         current_operation_id=None
3143                     )
3144                     if exc:
3145                         self._write_op_status(
3146                             op_id=nslcmop_id,
3147                             error_message=nslcmop_operation_state_detail
3148                         )
3149             except DbException as e:
3150                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
3151             self.logger.debug(logging_text + "Exit")
3152             if nslcmop_operation_state:
3153                 try:
3154                     await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3155                                                                "operationState": nslcmop_operation_state},
3156                                             loop=self.loop)
3157                 except Exception as e:
3158                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3159             self.logger.debug(logging_text + "Exit")
3160             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action")
3161             return nslcmop_operation_state, nslcmop_operation_state_detail
3162
3163     async def scale(self, nsr_id, nslcmop_id):
3164
3165         # Try to lock HA task here
3166         task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id)
3167         if not task_is_locked_by_me:
3168             return
3169
3170         logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id)
3171         self.logger.debug(logging_text + "Enter")
3172         # get all needed from database
3173         db_nsr = None
3174         db_nslcmop = None
3175         db_nslcmop_update = {}
3176         nslcmop_operation_state = None
3177         db_nsr_update = {"_admin.nslcmop": nslcmop_id,
3178                          "_admin.current-operation": nslcmop_id,
3179                          "_admin.operation-type": "scale"}
3180         self.update_db_2("nsrs", nsr_id, db_nsr_update)
3181         exc = None
3182         # in case of error, indicates what part of scale was failed to put nsr at error status
3183         scale_process = None
3184         old_operational_status = ""
3185         old_config_status = ""
3186         vnfr_scaled = False
3187         try:
3188             # wait for any previous tasks in process
3189             step = "Waiting for previous operations to terminate"
3190             await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id)
3191
3192             self._write_ns_status(
3193                 nsr_id=nsr_id,
3194                 ns_state=None,
3195                 current_operation="SCALING",
3196                 current_operation_id=nslcmop_id
3197             )
3198
3199             step = "Getting nslcmop from database"
3200             self.logger.debug(step + " after having waited for previous tasks to be completed")
3201             db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id})
3202             step = "Getting nsr from database"
3203             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
3204
3205             old_operational_status = db_nsr["operational-status"]
3206             old_config_status = db_nsr["config-status"]
3207             step = "Parsing scaling parameters"
3208             # self.logger.debug(step)
3209             db_nsr_update["operational-status"] = "scaling"
3210             self.update_db_2("nsrs", nsr_id, db_nsr_update)
3211             nsr_deployed = db_nsr["_admin"].get("deployed")
3212
3213             #######
3214             nsr_deployed = db_nsr["_admin"].get("deployed")
3215             vnf_index = db_nslcmop["operationParams"].get("member_vnf_index")
3216             # vdu_id = db_nslcmop["operationParams"].get("vdu_id")
3217             # vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index")
3218             # vdu_name = db_nslcmop["operationParams"].get("vdu_name")
3219             #######
3220
3221             RO_nsr_id = nsr_deployed["RO"]["nsr_id"]
3222             vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"]
3223             scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"]
3224             scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"]
3225             # scaling_policy = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"].get("scaling-policy")
3226
3227             # for backward compatibility
3228             if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict):
3229                 nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values())
3230                 db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"]
3231                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3232
3233             step = "Getting vnfr from database"
3234             db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id})
3235             step = "Getting vnfd from database"
3236             db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]})
3237
3238             step = "Getting scaling-group-descriptor"
3239             for scaling_descriptor in db_vnfd["scaling-group-descriptor"]:
3240                 if scaling_descriptor["name"] == scaling_group:
3241                     break
3242             else:
3243                 raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present "
3244                                    "at vnfd:scaling-group-descriptor".format(scaling_group))
3245
3246             # cooldown_time = 0
3247             # for scaling_policy_descriptor in scaling_descriptor.get("scaling-policy", ()):
3248             #     cooldown_time = scaling_policy_descriptor.get("cooldown-time", 0)
3249             #     if scaling_policy and scaling_policy == scaling_policy_descriptor.get("name"):
3250             #         break
3251
3252             # TODO check if ns is in a proper status
3253             step = "Sending scale order to VIM"
3254             nb_scale_op = 0
3255             if not db_nsr["_admin"].get("scaling-group"):
3256                 self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]})
3257                 admin_scale_index = 0
3258             else:
3259                 for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]):
3260                     if admin_scale_info["name"] == scaling_group:
3261                         nb_scale_op = admin_scale_info.get("nb-scale-op", 0)
3262                         break
3263                 else:  # not found, set index one plus last element and add new entry with the name
3264                     admin_scale_index += 1
3265                     db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group
3266             RO_scaling_info = []
3267             vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []}
3268             if scaling_type == "SCALE_OUT":
3269                 # count if max-instance-count is reached
3270                 max_instance_count = scaling_descriptor.get("max-instance-count", 10)
3271                 # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count))
3272                 if nb_scale_op >= max_instance_count:
3273                     raise LcmException("reached the limit of {} (max-instance-count) "
3274                                        "scaling-out operations for the "
3275                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
3276
3277                 nb_scale_op += 1
3278                 vdu_scaling_info["scaling_direction"] = "OUT"
3279                 vdu_scaling_info["vdu-create"] = {}
3280                 for vdu_scale_info in scaling_descriptor["vdu"]:
3281                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
3282                                             "type": "create", "count": vdu_scale_info.get("count", 1)})
3283                     vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
3284
3285             elif scaling_type == "SCALE_IN":
3286                 # count if min-instance-count is reached
3287                 min_instance_count = 0
3288                 if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None:
3289                     min_instance_count = int(scaling_descriptor["min-instance-count"])
3290                 if nb_scale_op <= min_instance_count:
3291                     raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the "
3292                                        "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group))
3293                 nb_scale_op -= 1
3294                 vdu_scaling_info["scaling_direction"] = "IN"
3295                 vdu_scaling_info["vdu-delete"] = {}
3296                 for vdu_scale_info in scaling_descriptor["vdu"]:
3297                     RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index,
3298                                             "type": "delete", "count": vdu_scale_info.get("count", 1)})
3299                     vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1)
3300
3301             # update VDU_SCALING_INFO with the VDUs to delete ip_addresses
3302             vdu_create = vdu_scaling_info.get("vdu-create")
3303             vdu_delete = copy(vdu_scaling_info.get("vdu-delete"))
3304             if vdu_scaling_info["scaling_direction"] == "IN":
3305                 for vdur in reversed(db_vnfr["vdur"]):
3306                     if vdu_delete.get(vdur["vdu-id-ref"]):
3307                         vdu_delete[vdur["vdu-id-ref"]] -= 1
3308                         vdu_scaling_info["vdu"].append({
3309                             "name": vdur["name"],
3310                             "vdu_id": vdur["vdu-id-ref"],
3311                             "interface": []
3312                         })
3313                         for interface in vdur["interfaces"]:
3314                             vdu_scaling_info["vdu"][-1]["interface"].append({
3315                                 "name": interface["name"],
3316                                 "ip_address": interface["ip-address"],
3317                                 "mac_address": interface.get("mac-address"),
3318                             })
3319                 vdu_delete = vdu_scaling_info.pop("vdu-delete")
3320
3321             # PRE-SCALE BEGIN
3322             step = "Executing pre-scale vnf-config-primitive"
3323             if scaling_descriptor.get("scaling-config-action"):
3324                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
3325                     if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \
3326                        or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"):
3327                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
3328                         step = db_nslcmop_update["detailed-status"] = \
3329                             "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive)
3330
3331                         # look for primitive
3332                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3333                             if config_primitive["name"] == vnf_config_primitive:
3334                                 break
3335                         else:
3336                             raise LcmException(
3337                                 "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action"
3338                                 "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-"
3339                                 "primitive".format(scaling_group, config_primitive))
3340
3341                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
3342                         if db_vnfr.get("additionalParamsForVnf"):
3343                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
3344
3345                         scale_process = "VCA"
3346                         db_nsr_update["config-status"] = "configuring pre-scaling"
3347                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
3348
3349                         # Pre-scale reintent check: Check if this sub-operation has been executed before
3350                         op_index = self._check_or_add_scale_suboperation(
3351                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE')
3352                         if (op_index == self.SUBOPERATION_STATUS_SKIP):
3353                             # Skip sub-operation
3354                             result = 'COMPLETED'
3355                             result_detail = 'Done'
3356                             self.logger.debug(logging_text +
3357                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".format(
3358                                                   vnf_config_primitive, result, result_detail))
3359                         else:
3360                             if (op_index == self.SUBOPERATION_STATUS_NEW):
3361                                 # New sub-operation: Get index of this sub-operation
3362                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3363                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
3364                                                   format(vnf_config_primitive))
3365                             else:
3366                                 # Reintent:  Get registered params for this existing sub-operation
3367                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3368                                 vnf_index = op.get('member_vnf_index')
3369                                 vnf_config_primitive = op.get('primitive')
3370                                 primitive_params = op.get('primitive_params')
3371                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
3372                                                   format(vnf_config_primitive))
3373                             # Execute the primitive, either with new (first-time) or registered (reintent) args
3374                             result, result_detail = await self._ns_execute_primitive(
3375                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
3376                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
3377                                 vnf_config_primitive, result, result_detail))
3378                             # Update operationState = COMPLETED | FAILED
3379                             self._update_suboperation_status(
3380                                 db_nslcmop, op_index, result, result_detail)
3381
3382                         if result == "FAILED":
3383                             raise LcmException(result_detail)
3384                         db_nsr_update["config-status"] = old_config_status
3385                         scale_process = None
3386             # PRE-SCALE END
3387
3388             # SCALE RO - BEGIN
3389             # Should this block be skipped if 'RO_nsr_id' == None ?
3390             # if (RO_nsr_id and RO_scaling_info):
3391             if RO_scaling_info:
3392                 scale_process = "RO"
3393                 # Scale RO reintent check: Check if this sub-operation has been executed before
3394                 op_index = self._check_or_add_scale_suboperation(
3395                     db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info)
3396                 if (op_index == self.SUBOPERATION_STATUS_SKIP):
3397                     # Skip sub-operation
3398                     result = 'COMPLETED'
3399                     result_detail = 'Done'
3400                     self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format(
3401                         result, result_detail))
3402                 else:
3403                     if (op_index == self.SUBOPERATION_STATUS_NEW):
3404                         # New sub-operation: Get index of this sub-operation
3405                         op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3406                         self.logger.debug(logging_text + "New sub-operation RO")
3407                     else:
3408                         # Reintent:  Get registered params for this existing sub-operation
3409                         op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3410                         RO_nsr_id = op.get('RO_nsr_id')
3411                         RO_scaling_info = op.get('RO_scaling_info')
3412                         self.logger.debug(logging_text + "Sub-operation RO reintent".format(
3413                             vnf_config_primitive))
3414
3415                     RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info})
3416                     db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op
3417                     db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time()
3418                     # wait until ready
3419                     RO_nslcmop_id = RO_desc["instance_action_id"]
3420                     db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id
3421
3422                     RO_task_done = False
3423                     step = detailed_status = "Waiting RO_task_id={} to complete the scale action.".format(RO_nslcmop_id)
3424                     detailed_status_old = None
3425                     self.logger.debug(logging_text + step)
3426
3427                     deployment_timeout = 1 * 3600   # One hour
3428                     while deployment_timeout > 0:
3429                         if not RO_task_done:
3430                             desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action",
3431                                                       extra_item_id=RO_nslcmop_id)
3432
3433                             # deploymentStatus
3434                             self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
3435
3436                             ns_status, ns_status_info = self.RO.check_action_status(desc)
3437                             if ns_status == "ERROR":
3438                                 raise ROclient.ROClientException(ns_status_info)
3439                             elif ns_status == "BUILD":
3440                                 detailed_status = step + "; {}".format(ns_status_info)
3441                             elif ns_status == "ACTIVE":
3442                                 RO_task_done = True
3443                                 step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id)
3444                                 self.logger.debug(logging_text + step)
3445                             else:
3446                                 assert False, "ROclient.check_action_status returns unknown {}".format(ns_status)
3447                         else:
3448
3449                             if ns_status == "ERROR":
3450                                 raise ROclient.ROClientException(ns_status_info)
3451                             elif ns_status == "BUILD":
3452                                 detailed_status = step + "; {}".format(ns_status_info)
3453                             elif ns_status == "ACTIVE":
3454                                 step = detailed_status = \
3455                                     "Waiting for management IP address reported by the VIM. Updating VNFRs"
3456                                 if not vnfr_scaled:
3457                                     self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete)
3458                                     vnfr_scaled = True
3459                                 try:
3460                                     desc = await self.RO.show("ns", RO_nsr_id)
3461
3462                                     # deploymentStatus
3463                                     self._on_update_ro_db(nsrs_id=nsr_id, ro_descriptor=desc)
3464
3465                                     # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc)
3466                                     self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc)
3467                                     break
3468                                 except LcmExceptionNoMgmtIP:
3469                                     pass
3470                             else:
3471                                 assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status)
3472                         if detailed_status != detailed_status_old:
3473                             self._update_suboperation_status(
3474                                 db_nslcmop, op_index, 'COMPLETED', detailed_status)
3475                             detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status
3476                             self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3477
3478                         await asyncio.sleep(5, loop=self.loop)
3479                         deployment_timeout -= 5
3480                     if deployment_timeout <= 0:
3481                         self._update_suboperation_status(
3482                             db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready")
3483                         raise ROclient.ROClientException("Timeout waiting ns to be ready")
3484
3485                     # update VDU_SCALING_INFO with the obtained ip_addresses
3486                     if vdu_scaling_info["scaling_direction"] == "OUT":
3487                         for vdur in reversed(db_vnfr["vdur"]):
3488                             if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]):
3489                                 vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1
3490                                 vdu_scaling_info["vdu"].append({
3491                                     "name": vdur["name"],
3492                                     "vdu_id": vdur["vdu-id-ref"],
3493                                     "interface": []
3494                                 })
3495                                 for interface in vdur["interfaces"]:
3496                                     vdu_scaling_info["vdu"][-1]["interface"].append({
3497                                         "name": interface["name"],
3498                                         "ip_address": interface["ip-address"],
3499                                         "mac_address": interface.get("mac-address"),
3500                                     })
3501                         del vdu_scaling_info["vdu-create"]
3502
3503                     self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done')
3504             # SCALE RO - END
3505
3506             scale_process = None
3507             if db_nsr_update:
3508                 self.update_db_2("nsrs", nsr_id, db_nsr_update)
3509
3510             # POST-SCALE BEGIN
3511             # execute primitive service POST-SCALING
3512             step = "Executing post-scale vnf-config-primitive"
3513             if scaling_descriptor.get("scaling-config-action"):
3514                 for scaling_config_action in scaling_descriptor["scaling-config-action"]:
3515                     if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \
3516                        or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"):
3517                         vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"]
3518                         step = db_nslcmop_update["detailed-status"] = \
3519                             "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive)
3520
3521                         vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info}
3522                         if db_vnfr.get("additionalParamsForVnf"):
3523                             vnfr_params.update(db_vnfr["additionalParamsForVnf"])
3524
3525                         # look for primitive
3526                         for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()):
3527                             if config_primitive["name"] == vnf_config_primitive:
3528                                 break
3529                         else:
3530                             raise LcmException("Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:"
3531                                                "scaling-config-action[vnf-config-primitive-name-ref='{}'] does not "
3532                                                "match any vnf-configuration:config-primitive".format(scaling_group,
3533                                                                                                      config_primitive))
3534                         scale_process = "VCA"
3535                         db_nsr_update["config-status"] = "configuring post-scaling"
3536                         primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params)
3537
3538                         # Post-scale reintent check: Check if this sub-operation has been executed before
3539                         op_index = self._check_or_add_scale_suboperation(
3540                             db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE')
3541                         if op_index == self.SUBOPERATION_STATUS_SKIP:
3542                             # Skip sub-operation
3543                             result = 'COMPLETED'
3544                             result_detail = 'Done'
3545                             self.logger.debug(logging_text +
3546                                               "vnf_config_primitive={} Skipped sub-operation, result {} {}".
3547                                               format(vnf_config_primitive, result, result_detail))
3548                         else:
3549                             if op_index == self.SUBOPERATION_STATUS_NEW:
3550                                 # New sub-operation: Get index of this sub-operation
3551                                 op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1
3552                                 self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation".
3553                                                   format(vnf_config_primitive))
3554                             else:
3555                                 # Reintent:  Get registered params for this existing sub-operation
3556                                 op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index]
3557                                 vnf_index = op.get('member_vnf_index')
3558                                 vnf_config_primitive = op.get('primitive')
3559                                 primitive_params = op.get('primitive_params')
3560                                 self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent".
3561                                                   format(vnf_config_primitive))
3562                             # Execute the primitive, either with new (first-time) or registered (reintent) args
3563                             result, result_detail = await self._ns_execute_primitive(
3564                                 nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params)
3565                             self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format(
3566                                 vnf_config_primitive, result, result_detail))
3567                             # Update operationState = COMPLETED | FAILED
3568                             self._update_suboperation_status(
3569                                 db_nslcmop, op_index, result, result_detail)
3570
3571                         if result == "FAILED":
3572                             raise LcmException(result_detail)
3573                         db_nsr_update["config-status"] = old_config_status
3574                         scale_process = None
3575             # POST-SCALE END
3576
3577             db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED"
3578             db_nslcmop_update["statusEnteredTime"] = time()
3579             db_nslcmop_update["detailed-status"] = "done"
3580             db_nsr_update["detailed-status"] = ""  # "scaled {} {}".format(scaling_group, scaling_type)
3581             db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \
3582                 else old_operational_status
3583             db_nsr_update["config-status"] = old_config_status
3584             return
3585         except (ROclient.ROClientException, DbException, LcmException) as e:
3586             self.logger.error(logging_text + "Exit Exception {}".format(e))
3587             exc = e
3588         except asyncio.CancelledError:
3589             self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step))
3590             exc = "Operation was cancelled"
3591         except Exception as e:
3592             exc = traceback.format_exc()
3593             self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True)
3594         finally:
3595             self._write_ns_status(
3596                 nsr_id=nsr_id,
3597                 ns_state=None,
3598                 current_operation="IDLE",
3599                 current_operation_id=None
3600             )
3601             if exc:
3602                 if db_nslcmop:
3603                     db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
3604                     db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED"
3605                     db_nslcmop_update["statusEnteredTime"] = time()
3606                 if db_nsr:
3607                     db_nsr_update["operational-status"] = old_operational_status
3608                     db_nsr_update["config-status"] = old_config_status
3609                     db_nsr_update["detailed-status"] = ""
3610                     db_nsr_update["_admin.nslcmop"] = None
3611                     if scale_process:
3612                         if "VCA" in scale_process:
3613                             db_nsr_update["config-status"] = "failed"
3614                         if "RO" in scale_process:
3615                             db_nsr_update["operational-status"] = "failed"
3616                         db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step,
3617                                                                                                      exc)
3618             try:
3619                 if db_nslcmop and db_nslcmop_update:
3620                     self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update)
3621                 if db_nsr:
3622                     db_nsr_update["_admin.current-operation"] = None
3623                     db_nsr_update["_admin.operation-type"] = None
3624                     db_nsr_update["_admin.nslcmop"] = None
3625                     self.update_db_2("nsrs", nsr_id, db_nsr_update)
3626
3627                     self._write_ns_status(
3628                         nsr_id=nsr_id,
3629                         ns_state=None,
3630                         current_operation="IDLE",
3631                         current_operation_id=None
3632                     )
3633
3634             except DbException as e:
3635                 self.logger.error(logging_text + "Cannot update database: {}".format(e))
3636             if nslcmop_operation_state:
3637                 try:
3638                     await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id,
3639                                                              "operationState": nslcmop_operation_state},
3640                                             loop=self.loop)
3641                     # if cooldown_time:
3642                     #     await asyncio.sleep(cooldown_time, loop=self.loop)
3643                     # await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})
3644                 except Exception as e:
3645                     self.logger.error(logging_text + "kafka_write notification Exception {}".format(e))
3646             self.logger.debug(logging_text + "Exit")
3647             self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale")