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# -*- coding: utf-8 -*- |
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## |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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## |
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|
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import asyncio |
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import logging |
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import logging.handlers |
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import traceback |
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from osm_lcm import ROclient |
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from osm_lcm.lcm_utils import ( |
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LcmException, |
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LcmBase, |
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populate_dict, |
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get_iterable, |
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deep_get, |
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) |
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from osm_common.dbbase import DbException |
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from time import time |
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from copy import deepcopy |
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__author__ = "Felipe Vicens, Pol Alemany, Alfonso Tierno" |
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class NetsliceLcm(LcmBase): |
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def __init__(self, msg, lcm_tasks, config, loop, ns): |
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""" |
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Init, Connect to database, filesystem storage, and messaging |
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:param config: two level dictionary with configuration. Top level should contain 'database', 'storage', |
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:return: None |
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""" |
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# logging |
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self.logger = logging.getLogger("lcm.netslice") |
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self.loop = loop |
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self.lcm_tasks = lcm_tasks |
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self.ns = ns |
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self.ro_config = config["RO"] |
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self.timeout = config["timeout"] |
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|
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super().__init__(msg, self.logger) |
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def nsi_update_nsir(self, nsi_update_nsir, db_nsir, nsir_desc_RO): |
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""" |
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Updates database nsir with the RO info for the created vld |
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:param nsi_update_nsir: dictionary to be filled with the updated info |
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:param db_nsir: content of db_nsir. This is also modified |
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:param nsir_desc_RO: nsir descriptor from RO |
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:return: Nothing, LcmException is raised on errors |
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""" |
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|
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for vld_index, vld in enumerate(get_iterable(db_nsir, "vld")): |
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for net_RO in get_iterable(nsir_desc_RO, "nets"): |
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if vld["id"] != net_RO.get("ns_net_osm_id"): |
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continue |
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vld["vim-id"] = net_RO.get("vim_net_id") |
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vld["name"] = net_RO.get("vim_name") |
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vld["status"] = net_RO.get("status") |
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vld["status-detailed"] = net_RO.get("error_msg") |
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nsi_update_nsir["vld.{}".format(vld_index)] = vld |
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break |
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else: |
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raise LcmException( |
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"ns_update_nsir: Not found vld={} at RO info".format(vld["id"]) |
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) |
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async def instantiate(self, nsir_id, nsilcmop_id): |
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# Try to lock HA task here |
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task_is_locked_by_me = self.lcm_tasks.lock_HA("nsi", "nsilcmops", nsilcmop_id) |
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if not task_is_locked_by_me: |
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return |
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|
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logging_text = "Task netslice={} instantiate={} ".format(nsir_id, nsilcmop_id) |
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self.logger.debug(logging_text + "Enter") |
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# get all needed from database |
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exc = None |
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db_nsir = None |
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db_nsilcmop = None |
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db_nsir_update = {"_admin.nsilcmop": nsilcmop_id} |
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db_nsilcmop_update = {} |
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nsilcmop_operation_state = None |
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vim_2_RO = {} |
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RO = ROclient.ROClient(self.loop, **self.ro_config) |
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nsi_vld_instantiationi_params = {} |
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|
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def ip_profile_2_RO(ip_profile): |
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RO_ip_profile = deepcopy((ip_profile)) |
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if "dns-server" in RO_ip_profile: |
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if isinstance(RO_ip_profile["dns-server"], list): |
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RO_ip_profile["dns-address"] = [] |
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for ds in RO_ip_profile.pop("dns-server"): |
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RO_ip_profile["dns-address"].append(ds["address"]) |
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else: |
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RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server") |
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if RO_ip_profile.get("ip-version") == "ipv4": |
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RO_ip_profile["ip-version"] = "IPv4" |
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if RO_ip_profile.get("ip-version") == "ipv6": |
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RO_ip_profile["ip-version"] = "IPv6" |
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if "dhcp-params" in RO_ip_profile: |
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RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params") |
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return RO_ip_profile |
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def vim_account_2_RO(vim_account): |
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""" |
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Translate a RO vim_account from OSM vim_account params |
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:param ns_params: OSM instantiate params |
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:return: The RO ns descriptor |
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""" |
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if vim_account in vim_2_RO: |
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return vim_2_RO[vim_account] |
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db_vim = self.db.get_one("vim_accounts", {"_id": vim_account}) |
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if db_vim["_admin"]["operationalState"] != "ENABLED": |
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raise LcmException( |
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"VIM={} is not available. operationalState={}".format( |
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vim_account, db_vim["_admin"]["operationalState"] |
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) |
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) |
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RO_vim_id = db_vim["_admin"]["deployed"]["RO"] |
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vim_2_RO[vim_account] = RO_vim_id |
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return RO_vim_id |
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async def netslice_scenario_create( |
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self, vld_item, nsir_id, db_nsir, db_nsir_admin, db_nsir_update |
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): |
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""" |
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Create a network slice VLD through RO Scenario |
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:param vld_id The VLD id inside nsir to be created |
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:param nsir_id The nsir id |
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""" |
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nonlocal nsi_vld_instantiationi_params |
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ip_vld = None |
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mgmt_network = False |
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RO_vld_sites = [] |
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vld_id = vld_item["id"] |
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netslice_vld = vld_item |
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# logging_text = "Task netslice={} instantiate_vld={} ".format(nsir_id, vld_id) |
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# self.logger.debug(logging_text + "Enter") |
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|
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vld_shared = None |
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for shared_nsrs_item in get_iterable(vld_item, "shared-nsrs-list"): |
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_filter = { |
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"_id.ne": nsir_id, |
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"_admin.nsrs-detailed-list.ANYINDEX.nsrId": shared_nsrs_item, |
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} |
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shared_nsi = self.db.get_one( |
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"nsis", _filter, fail_on_empty=False, fail_on_more=False |
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) |
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if shared_nsi: |
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for vlds in get_iterable(shared_nsi["_admin"]["deployed"], "RO"): |
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if vld_id == vlds["vld_id"]: |
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vld_shared = { |
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"instance_scenario_id": vlds["netslice_scenario_id"], |
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"osm_id": vld_id, |
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} |
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break |
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break |
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|
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# Creating netslice-vld at RO |
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RO_nsir = deep_get(db_nsir, ("_admin", "deployed", "RO"), []) |
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|
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if vld_id in RO_nsir: |
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db_nsir_update["_admin.deployed.RO"] = RO_nsir |
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|
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# If netslice-vld doesn't exists then create it |
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else: |
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# TODO: Check VDU type in all descriptors finding SRIOV / PT |
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# Updating network names and datacenters from instantiation parameters for each VLD |
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for instantiation_params_vld in get_iterable( |
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db_nsir["instantiation_parameters"], "netslice-vld" |
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): |
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if instantiation_params_vld.get("name") == netslice_vld["name"]: |
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ip_vld = deepcopy(instantiation_params_vld) |
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ip_vld.pop("name") |
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nsi_vld_instantiationi_params[netslice_vld["name"]] = ip_vld |
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|
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db_nsir_update_RO = {} |
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db_nsir_update_RO["vld_id"] = netslice_vld["name"] |
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if self.ro_config["ng"]: |
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db_nsir_update_RO["netslice_scenario_id"] = ( |
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vld_shared.get("instance_scenario_id") |
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if vld_shared |
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else "nsir:{}:vld.{}".format(nsir_id, netslice_vld["name"]) |
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) |
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else: # if not self.ro_config["ng"]: |
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if netslice_vld.get("mgmt-network"): |
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mgmt_network = True |
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RO_ns_params = {} |
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RO_ns_params["name"] = netslice_vld["name"] |
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RO_ns_params["datacenter"] = vim_account_2_RO( |
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db_nsir["instantiation_parameters"]["vimAccountId"] |
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) |
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|
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# Creating scenario if vim-network-name / vim-network-id are present as instantiation parameter |
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# Use vim-network-id instantiation parameter |
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vim_network_option = None |
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if ip_vld: |
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if ip_vld.get("vim-network-id"): |
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vim_network_option = "vim-network-id" |
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elif ip_vld.get("vim-network-name"): |
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vim_network_option = "vim-network-name" |
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if ip_vld.get("ip-profile"): |
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populate_dict( |
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RO_ns_params, |
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("networks", netslice_vld["name"], "ip-profile"), |
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ip_profile_2_RO(ip_vld["ip-profile"]), |
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) |
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|
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if vim_network_option: |
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if ip_vld.get(vim_network_option): |
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if isinstance(ip_vld.get(vim_network_option), list): |
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for vim_net_id in ip_vld.get(vim_network_option): |
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for vim_account, vim_net in vim_net_id.items(): |
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RO_vld_sites.append( |
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{ |
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"netmap-use": vim_net, |
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"datacenter": vim_account_2_RO( |
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vim_account |
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), |
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} |
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) |
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elif isinstance(ip_vld.get(vim_network_option), dict): |
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for vim_account, vim_net in ip_vld.get( |
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vim_network_option |
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).items(): |
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RO_vld_sites.append( |
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{ |
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"netmap-use": vim_net, |
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"datacenter": vim_account_2_RO(vim_account), |
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} |
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) |
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else: |
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RO_vld_sites.append( |
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{ |
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"netmap-use": ip_vld[vim_network_option], |
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"datacenter": vim_account_2_RO( |
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netslice_vld["vimAccountId"] |
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), |
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} |
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) |
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|
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# Use default netslice vim-network-name from template |
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else: |
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for nss_conn_point_ref in get_iterable( |
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netslice_vld, "nss-connection-point-ref" |
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): |
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if nss_conn_point_ref.get("vimAccountId"): |
| 258 |
0 |
if ( |
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nss_conn_point_ref["vimAccountId"] |
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!= netslice_vld["vimAccountId"] |
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): |
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RO_vld_sites.append( |
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{ |
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"netmap-create": None, |
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"datacenter": vim_account_2_RO( |
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nss_conn_point_ref["vimAccountId"] |
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), |
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} |
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) |
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|
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0 |
if vld_shared: |
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populate_dict( |
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RO_ns_params, |
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("networks", netslice_vld["name"], "use-network"), |
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vld_shared, |
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) |
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|
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if RO_vld_sites: |
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populate_dict( |
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RO_ns_params, |
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("networks", netslice_vld["name"], "sites"), |
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RO_vld_sites, |
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) |
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|
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RO_ns_params["scenario"] = { |
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"nets": [ |
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{ |
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"name": netslice_vld["name"], |
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"external": mgmt_network, |
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"type": "bridge", |
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} |
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] |
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} |
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|
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# self.logger.debug(logging_text + step) |
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desc = await RO.create("ns", descriptor=RO_ns_params) |
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db_nsir_update_RO["netslice_scenario_id"] = desc["uuid"] |
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db_nsir_update["_admin.deployed.RO"].append(db_nsir_update_RO) |
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|
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def overwrite_nsd_params(self, db_nsir, nslcmop): |
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nonlocal nsi_vld_instantiationi_params |
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nonlocal db_nsir_update |
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0 |
vld_op_list = [] |
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0 |
vld = None |
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0 |
nsr_id = nslcmop.get("nsInstanceId") |
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# Overwrite instantiation parameters in netslice runtime |
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RO_list = db_nsir_admin["deployed"]["RO"] |
| 308 |
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|
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for ro_item_index, RO_item in enumerate(RO_list): |
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0 |
netslice_vld = next( |
| 311 |
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( |
| 312 |
|
n |
| 313 |
|
for n in get_iterable(db_nsir["_admin"], "netslice-vld") |
| 314 |
|
if RO_item.get("vld_id") == n.get("id") |
| 315 |
|
), |
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|
None, |
| 317 |
|
) |
| 318 |
0 |
if not netslice_vld: |
| 319 |
0 |
continue |
| 320 |
|
# if is equal vld of _admin with vld of netslice-vld then go for the CPs |
| 321 |
|
# Search the cp of netslice-vld that match with nst:netslice-subnet |
| 322 |
0 |
for nss_cp_item in get_iterable( |
| 323 |
|
netslice_vld, "nss-connection-point-ref" |
| 324 |
|
): |
| 325 |
|
# Search the netslice-subnet of nst that match |
| 326 |
0 |
nss = next( |
| 327 |
|
( |
| 328 |
|
nss |
| 329 |
|
for nss in get_iterable( |
| 330 |
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db_nsir["_admin"], "netslice-subnet" |
| 331 |
|
) |
| 332 |
|
if nss_cp_item["nss-ref"] == nss["nss-id"] |
| 333 |
|
), |
| 334 |
|
None, |
| 335 |
|
) |
| 336 |
|
# Compare nss-ref equal nss from nst |
| 337 |
0 |
if not nss: |
| 338 |
0 |
continue |
| 339 |
0 |
db_nsds = self.db.get_one("nsds", {"_id": nss["nsdId"]}) |
| 340 |
|
# Go for nsd, and search the CP that match with nst:CP to get vld-id-ref |
| 341 |
0 |
for cp_nsd in db_nsds.get("sapd", ()): |
| 342 |
0 |
if cp_nsd["id"] == nss_cp_item["nsd-connection-point-ref"]: |
| 343 |
0 |
if nslcmop.get("operationParams"): |
| 344 |
0 |
if ( |
| 345 |
|
nslcmop["operationParams"].get("nsName") |
| 346 |
|
== nss["nsName"] |
| 347 |
|
): |
| 348 |
0 |
vld_id = RO_item["vld_id"] |
| 349 |
0 |
netslice_scenario_id = RO_item[ |
| 350 |
|
"netslice_scenario_id" |
| 351 |
|
] |
| 352 |
0 |
nslcmop_vld = {} |
| 353 |
0 |
nslcmop_vld["name"] = cp_nsd["virtual-link-desc"] |
| 354 |
0 |
for vld in get_iterable( |
| 355 |
|
nslcmop["operationParams"], "vld" |
| 356 |
|
): |
| 357 |
0 |
if vld["name"] == cp_nsd["virtual-link-desc"]: |
| 358 |
0 |
nslcmop_vld.update(vld) |
| 359 |
0 |
if self.ro_config["ng"]: |
| 360 |
0 |
nslcmop_vld["common_id"] = netslice_scenario_id |
| 361 |
0 |
nslcmop_vld.update( |
| 362 |
|
nsi_vld_instantiationi_params.get( |
| 363 |
|
RO_item["vld_id"], {} |
| 364 |
|
) |
| 365 |
|
) |
| 366 |
|
else: |
| 367 |
0 |
nslcmop_vld["ns-net"] = { |
| 368 |
|
vld_id: netslice_scenario_id |
| 369 |
|
} |
| 370 |
0 |
vld_op_list.append(nslcmop_vld) |
| 371 |
0 |
nslcmop["operationParams"]["vld"] = vld_op_list |
| 372 |
0 |
self.update_db_2( |
| 373 |
|
"nslcmops", nslcmop["_id"], {"operationParams.vld": vld_op_list} |
| 374 |
|
) |
| 375 |
0 |
return nsr_id, nslcmop |
| 376 |
|
|
| 377 |
0 |
try: |
| 378 |
|
# wait for any previous tasks in process |
| 379 |
0 |
await self.lcm_tasks.waitfor_related_HA("nsi", "nsilcmops", nsilcmop_id) |
| 380 |
|
|
| 381 |
0 |
step = "Getting nsir={} from db".format(nsir_id) |
| 382 |
0 |
db_nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 383 |
0 |
step = "Getting nsilcmop={} from db".format(nsilcmop_id) |
| 384 |
0 |
db_nsilcmop = self.db.get_one("nsilcmops", {"_id": nsilcmop_id}) |
| 385 |
|
|
| 386 |
0 |
start_deploy = time() |
| 387 |
0 |
nsi_params = db_nsilcmop.get("operationParams") |
| 388 |
0 |
if nsi_params and nsi_params.get("timeout_nsi_deploy"): |
| 389 |
0 |
timeout_nsi_deploy = nsi_params["timeout_nsi_deploy"] |
| 390 |
|
else: |
| 391 |
0 |
timeout_nsi_deploy = self.timeout.get("nsi_deploy") |
| 392 |
|
|
| 393 |
|
# Empty list to keep track of network service records status in the netslice |
| 394 |
0 |
nsir_admin = db_nsir_admin = db_nsir.get("_admin") |
| 395 |
|
|
| 396 |
0 |
step = "Creating slice operational-status init" |
| 397 |
|
# Slice status Creating |
| 398 |
0 |
db_nsir_update["detailed-status"] = "creating" |
| 399 |
0 |
db_nsir_update["operational-status"] = "init" |
| 400 |
0 |
db_nsir_update["_admin.nsiState"] = "INSTANTIATED" |
| 401 |
|
|
| 402 |
0 |
step = "Instantiating netslice VLDs before NS instantiation" |
| 403 |
|
# Creating netslice VLDs networking before NS instantiation |
| 404 |
0 |
db_nsir_update["detailed-status"] = step |
| 405 |
0 |
self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 406 |
0 |
db_nsir_update["_admin.deployed.RO"] = db_nsir_admin["deployed"]["RO"] |
| 407 |
0 |
for vld_item in get_iterable(nsir_admin, "netslice-vld"): |
| 408 |
0 |
await netslice_scenario_create( |
| 409 |
|
self, vld_item, nsir_id, db_nsir, db_nsir_admin, db_nsir_update |
| 410 |
|
) |
| 411 |
|
|
| 412 |
0 |
step = "Instantiating netslice subnets" |
| 413 |
0 |
db_nsir_update["detailed-status"] = step |
| 414 |
0 |
self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 415 |
|
|
| 416 |
0 |
db_nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 417 |
|
|
| 418 |
|
# Check status of the VLDs and wait for creation |
| 419 |
|
# netslice_scenarios = db_nsir["_admin"]["deployed"]["RO"] |
| 420 |
|
# db_nsir_update_RO = deepcopy(netslice_scenarios) |
| 421 |
|
# for netslice_scenario in netslice_scenarios: |
| 422 |
|
# await netslice_scenario_check(self, netslice_scenario["netslice_scenario_id"], |
| 423 |
|
# nsir_id, db_nsir_update_RO) |
| 424 |
|
|
| 425 |
|
# db_nsir_update["_admin.deployed.RO"] = db_nsir_update_RO |
| 426 |
|
# self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 427 |
|
|
| 428 |
|
# Iterate over the network services operation ids to instantiate NSs |
| 429 |
0 |
step = "Instantiating Netslice Subnets" |
| 430 |
0 |
db_nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 431 |
0 |
nslcmop_ids = db_nsilcmop["operationParams"].get("nslcmops_ids") |
| 432 |
0 |
for nslcmop_id in nslcmop_ids: |
| 433 |
0 |
nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| 434 |
|
# Overwriting netslice-vld vim-net-id to ns |
| 435 |
0 |
nsr_id, nslcmop = overwrite_nsd_params(self, db_nsir, nslcmop) |
| 436 |
0 |
step = "Launching ns={} instantiate={} task".format(nsr_id, nslcmop_id) |
| 437 |
0 |
task = asyncio.ensure_future(self.ns.instantiate(nsr_id, nslcmop_id)) |
| 438 |
0 |
self.lcm_tasks.register( |
| 439 |
|
"ns", nsr_id, nslcmop_id, "ns_instantiate", task |
| 440 |
|
) |
| 441 |
|
|
| 442 |
|
# Wait until Network Slice is ready |
| 443 |
0 |
step = " Waiting nsi ready." |
| 444 |
0 |
nsrs_detailed_list_old = None |
| 445 |
0 |
self.logger.debug(logging_text + step) |
| 446 |
|
|
| 447 |
|
# For HA, it is checked from database, as the ns operation may be managed by other LCM worker |
| 448 |
0 |
while time() <= start_deploy + timeout_nsi_deploy: |
| 449 |
|
# Check ns instantiation status |
| 450 |
0 |
nsi_ready = True |
| 451 |
0 |
nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 452 |
0 |
nsrs_detailed_list = nsir["_admin"]["nsrs-detailed-list"] |
| 453 |
0 |
nsrs_detailed_list_new = [] |
| 454 |
0 |
for nslcmop_item in nslcmop_ids: |
| 455 |
0 |
nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_item}) |
| 456 |
0 |
status = nslcmop.get("operationState") |
| 457 |
|
# TODO: (future improvement) other possible status: ROLLING_BACK,ROLLED_BACK |
| 458 |
0 |
for nss in nsrs_detailed_list: |
| 459 |
0 |
if nss["nsrId"] == nslcmop["nsInstanceId"]: |
| 460 |
0 |
nss.update( |
| 461 |
|
{ |
| 462 |
|
"nsrId": nslcmop["nsInstanceId"], |
| 463 |
|
"status": nslcmop["operationState"], |
| 464 |
|
"detailed-status": nslcmop.get("detailed-status"), |
| 465 |
|
"instantiated": True, |
| 466 |
|
} |
| 467 |
|
) |
| 468 |
0 |
nsrs_detailed_list_new.append(nss) |
| 469 |
0 |
if status not in [ |
| 470 |
|
"COMPLETED", |
| 471 |
|
"PARTIALLY_COMPLETED", |
| 472 |
|
"FAILED", |
| 473 |
|
"FAILED_TEMP", |
| 474 |
|
]: |
| 475 |
0 |
nsi_ready = False |
| 476 |
|
|
| 477 |
0 |
if nsrs_detailed_list_new != nsrs_detailed_list_old: |
| 478 |
0 |
nsrs_detailed_list_old = nsrs_detailed_list_new |
| 479 |
0 |
self.update_db_2( |
| 480 |
|
"nsis", |
| 481 |
|
nsir_id, |
| 482 |
|
{"_admin.nsrs-detailed-list": nsrs_detailed_list_new}, |
| 483 |
|
) |
| 484 |
|
|
| 485 |
0 |
if nsi_ready: |
| 486 |
0 |
error_list = [] |
| 487 |
0 |
step = "Network Slice Instance instantiated" |
| 488 |
0 |
for nss in nsrs_detailed_list: |
| 489 |
0 |
if nss["status"] in ("FAILED", "FAILED_TEMP"): |
| 490 |
0 |
error_list.append( |
| 491 |
|
"NS {} {}: {}".format( |
| 492 |
|
nss["nsrId"], nss["status"], nss["detailed-status"] |
| 493 |
|
) |
| 494 |
|
) |
| 495 |
0 |
if error_list: |
| 496 |
0 |
step = "instantiating" |
| 497 |
0 |
raise LcmException("; ".join(error_list)) |
| 498 |
0 |
break |
| 499 |
|
|
| 500 |
|
# TODO: future improvement due to synchronism -> await asyncio.wait(vca_task_list, timeout=300) |
| 501 |
0 |
await asyncio.sleep(5, loop=self.loop) |
| 502 |
|
|
| 503 |
|
else: # timeout_nsi_deploy reached: |
| 504 |
0 |
raise LcmException("Timeout waiting nsi to be ready.") |
| 505 |
|
|
| 506 |
0 |
db_nsir_update["operational-status"] = "running" |
| 507 |
0 |
db_nsir_update["detailed-status"] = "done" |
| 508 |
0 |
db_nsir_update["config-status"] = "configured" |
| 509 |
0 |
db_nsilcmop_update[ |
| 510 |
|
"operationState" |
| 511 |
|
] = nsilcmop_operation_state = "COMPLETED" |
| 512 |
0 |
db_nsilcmop_update["statusEnteredTime"] = time() |
| 513 |
0 |
db_nsilcmop_update["detailed-status"] = "done" |
| 514 |
0 |
return |
| 515 |
|
|
| 516 |
0 |
except (LcmException, DbException) as e: |
| 517 |
0 |
self.logger.error( |
| 518 |
|
logging_text + "Exit Exception while '{}': {}".format(step, e) |
| 519 |
|
) |
| 520 |
0 |
exc = e |
| 521 |
0 |
except asyncio.CancelledError: |
| 522 |
0 |
self.logger.error( |
| 523 |
|
logging_text + "Cancelled Exception while '{}'".format(step) |
| 524 |
|
) |
| 525 |
0 |
exc = "Operation was cancelled" |
| 526 |
0 |
except Exception as e: |
| 527 |
0 |
exc = traceback.format_exc() |
| 528 |
0 |
self.logger.critical( |
| 529 |
|
logging_text |
| 530 |
|
+ "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e), |
| 531 |
|
exc_info=True, |
| 532 |
|
) |
| 533 |
|
finally: |
| 534 |
0 |
if exc: |
| 535 |
0 |
if db_nsir: |
| 536 |
0 |
db_nsir_update["detailed-status"] = "ERROR {}: {}".format(step, exc) |
| 537 |
0 |
db_nsir_update["operational-status"] = "failed" |
| 538 |
0 |
db_nsir_update["config-status"] = "configured" |
| 539 |
0 |
if db_nsilcmop: |
| 540 |
0 |
db_nsilcmop_update["detailed-status"] = "FAILED {}: {}".format( |
| 541 |
|
step, exc |
| 542 |
|
) |
| 543 |
0 |
db_nsilcmop_update[ |
| 544 |
|
"operationState" |
| 545 |
|
] = nsilcmop_operation_state = "FAILED" |
| 546 |
0 |
db_nsilcmop_update["statusEnteredTime"] = time() |
| 547 |
0 |
try: |
| 548 |
0 |
if db_nsir: |
| 549 |
0 |
db_nsir_update["_admin.nsilcmop"] = None |
| 550 |
0 |
self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 551 |
0 |
if db_nsilcmop: |
| 552 |
0 |
self.update_db_2("nsilcmops", nsilcmop_id, db_nsilcmop_update) |
| 553 |
0 |
except DbException as e: |
| 554 |
0 |
self.logger.error(logging_text + "Cannot update database: {}".format(e)) |
| 555 |
0 |
if nsilcmop_operation_state: |
| 556 |
0 |
try: |
| 557 |
0 |
await self.msg.aiowrite( |
| 558 |
|
"nsi", |
| 559 |
|
"instantiated", |
| 560 |
|
{ |
| 561 |
|
"nsir_id": nsir_id, |
| 562 |
|
"nsilcmop_id": nsilcmop_id, |
| 563 |
|
"operationState": nsilcmop_operation_state, |
| 564 |
|
}, |
| 565 |
|
) |
| 566 |
0 |
except Exception as e: |
| 567 |
0 |
self.logger.error( |
| 568 |
|
logging_text + "kafka_write notification Exception {}".format(e) |
| 569 |
|
) |
| 570 |
0 |
self.logger.debug(logging_text + "Exit") |
| 571 |
0 |
self.lcm_tasks.remove("nsi", nsir_id, nsilcmop_id, "nsi_instantiate") |
| 572 |
|
|
| 573 |
1 |
async def terminate(self, nsir_id, nsilcmop_id): |
| 574 |
|
# Try to lock HA task here |
| 575 |
0 |
task_is_locked_by_me = self.lcm_tasks.lock_HA("nsi", "nsilcmops", nsilcmop_id) |
| 576 |
0 |
if not task_is_locked_by_me: |
| 577 |
0 |
return |
| 578 |
|
|
| 579 |
0 |
logging_text = "Task nsi={} terminate={} ".format(nsir_id, nsilcmop_id) |
| 580 |
0 |
self.logger.debug(logging_text + "Enter") |
| 581 |
0 |
exc = None |
| 582 |
0 |
db_nsir = None |
| 583 |
0 |
db_nsilcmop = None |
| 584 |
0 |
db_nsir_update = {"_admin.nsilcmop": nsilcmop_id} |
| 585 |
0 |
db_nsilcmop_update = {} |
| 586 |
0 |
RO = ROclient.ROClient(self.loop, **self.ro_config) |
| 587 |
0 |
nsir_deployed = None |
| 588 |
0 |
failed_detail = [] # annotates all failed error messages |
| 589 |
0 |
nsilcmop_operation_state = None |
| 590 |
0 |
autoremove = False # autoremove after terminated |
| 591 |
0 |
try: |
| 592 |
|
# wait for any previous tasks in process |
| 593 |
0 |
await self.lcm_tasks.waitfor_related_HA("nsi", "nsilcmops", nsilcmop_id) |
| 594 |
|
|
| 595 |
0 |
step = "Getting nsir={} from db".format(nsir_id) |
| 596 |
0 |
db_nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 597 |
0 |
nsir_deployed = deepcopy(db_nsir["_admin"].get("deployed")) |
| 598 |
0 |
step = "Getting nsilcmop={} from db".format(nsilcmop_id) |
| 599 |
0 |
db_nsilcmop = self.db.get_one("nsilcmops", {"_id": nsilcmop_id}) |
| 600 |
|
|
| 601 |
|
# TODO: Check if makes sense check the nsiState=NOT_INSTANTIATED when terminate |
| 602 |
|
# CASE: Instance was terminated but there is a second request to terminate the instance |
| 603 |
0 |
if db_nsir["_admin"]["nsiState"] == "NOT_INSTANTIATED": |
| 604 |
0 |
return |
| 605 |
|
|
| 606 |
|
# Slice status Terminating |
| 607 |
0 |
db_nsir_update["operational-status"] = "terminating" |
| 608 |
0 |
db_nsir_update["config-status"] = "terminating" |
| 609 |
0 |
db_nsir_update["detailed-status"] = "Terminating Netslice subnets" |
| 610 |
0 |
self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 611 |
|
|
| 612 |
|
# Gets the list to keep track of network service records status in the netslice |
| 613 |
0 |
nsrs_detailed_list = [] |
| 614 |
|
|
| 615 |
|
# Iterate over the network services operation ids to terminate NSs |
| 616 |
|
# TODO: (future improvement) look another way check the tasks instead of keep asking |
| 617 |
|
# -> https://docs.python.org/3/library/asyncio-task.html#waiting-primitives |
| 618 |
|
# steps: declare ns_tasks, add task when terminate is called, await asyncio.wait(vca_task_list, timeout=300) |
| 619 |
0 |
step = "Terminating Netslice Subnets" |
| 620 |
0 |
nslcmop_ids = db_nsilcmop["operationParams"].get("nslcmops_ids") |
| 621 |
0 |
nslcmop_new = [] |
| 622 |
0 |
for nslcmop_id in nslcmop_ids: |
| 623 |
0 |
nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| 624 |
0 |
nsr_id = nslcmop["operationParams"].get("nsInstanceId") |
| 625 |
0 |
nss_in_use = self.db.get_list( |
| 626 |
|
"nsis", |
| 627 |
|
{ |
| 628 |
|
"_admin.netslice-vld.ANYINDEX.shared-nsrs-list": nsr_id, |
| 629 |
|
"operational-status": {"$nin": ["terminated", "failed"]}, |
| 630 |
|
}, |
| 631 |
|
) |
| 632 |
0 |
if len(nss_in_use) < 2: |
| 633 |
0 |
task = asyncio.ensure_future(self.ns.terminate(nsr_id, nslcmop_id)) |
| 634 |
0 |
self.lcm_tasks.register( |
| 635 |
|
"ns", nsr_id, nslcmop_id, "ns_instantiate", task |
| 636 |
|
) |
| 637 |
0 |
nslcmop_new.append(nslcmop_id) |
| 638 |
|
else: |
| 639 |
|
# Update shared nslcmop shared with active nsi |
| 640 |
0 |
netsliceInstanceId = db_nsir["_id"] |
| 641 |
0 |
for nsis_item in nss_in_use: |
| 642 |
0 |
if db_nsir["_id"] != nsis_item["_id"]: |
| 643 |
0 |
netsliceInstanceId = nsis_item["_id"] |
| 644 |
0 |
break |
| 645 |
0 |
self.db.set_one( |
| 646 |
|
"nslcmops", |
| 647 |
|
{"_id": nslcmop_id}, |
| 648 |
|
{"operationParams.netsliceInstanceId": netsliceInstanceId}, |
| 649 |
|
) |
| 650 |
0 |
self.db.set_one( |
| 651 |
|
"nsilcmops", |
| 652 |
|
{"_id": nsilcmop_id}, |
| 653 |
|
{"operationParams.nslcmops_ids": nslcmop_new}, |
| 654 |
|
) |
| 655 |
|
|
| 656 |
|
# Wait until Network Slice is terminated |
| 657 |
0 |
step = nsir_status_detailed = " Waiting nsi terminated. nsi_id={}".format( |
| 658 |
|
nsir_id |
| 659 |
|
) |
| 660 |
0 |
nsrs_detailed_list_old = None |
| 661 |
0 |
self.logger.debug(logging_text + step) |
| 662 |
|
|
| 663 |
0 |
termination_timeout = 2 * 3600 # Two hours |
| 664 |
0 |
while termination_timeout > 0: |
| 665 |
|
# Check ns termination status |
| 666 |
0 |
nsi_ready = True |
| 667 |
0 |
db_nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 668 |
0 |
nsrs_detailed_list = db_nsir["_admin"].get("nsrs-detailed-list") |
| 669 |
0 |
nsrs_detailed_list_new = [] |
| 670 |
0 |
for nslcmop_item in nslcmop_ids: |
| 671 |
0 |
nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_item}) |
| 672 |
0 |
status = nslcmop["operationState"] |
| 673 |
|
# TODO: (future improvement) other possible status: ROLLING_BACK,ROLLED_BACK |
| 674 |
0 |
for nss in nsrs_detailed_list: |
| 675 |
0 |
if nss["nsrId"] == nslcmop["nsInstanceId"]: |
| 676 |
0 |
nss.update( |
| 677 |
|
{ |
| 678 |
|
"nsrId": nslcmop["nsInstanceId"], |
| 679 |
|
"status": nslcmop["operationState"], |
| 680 |
|
"detailed-status": nsir_status_detailed |
| 681 |
|
+ "; {}".format(nslcmop.get("detailed-status")), |
| 682 |
|
} |
| 683 |
|
) |
| 684 |
0 |
nsrs_detailed_list_new.append(nss) |
| 685 |
0 |
if status not in [ |
| 686 |
|
"COMPLETED", |
| 687 |
|
"PARTIALLY_COMPLETED", |
| 688 |
|
"FAILED", |
| 689 |
|
"FAILED_TEMP", |
| 690 |
|
]: |
| 691 |
0 |
nsi_ready = False |
| 692 |
|
|
| 693 |
0 |
if nsrs_detailed_list_new != nsrs_detailed_list_old: |
| 694 |
0 |
nsrs_detailed_list_old = nsrs_detailed_list_new |
| 695 |
0 |
self.update_db_2( |
| 696 |
|
"nsis", |
| 697 |
|
nsir_id, |
| 698 |
|
{"_admin.nsrs-detailed-list": nsrs_detailed_list_new}, |
| 699 |
|
) |
| 700 |
|
|
| 701 |
0 |
if nsi_ready: |
| 702 |
|
# Check if it is the last used nss and mark isinstantiate: False |
| 703 |
0 |
db_nsir = self.db.get_one("nsis", {"_id": nsir_id}) |
| 704 |
0 |
nsrs_detailed_list = db_nsir["_admin"].get("nsrs-detailed-list") |
| 705 |
0 |
for nss in nsrs_detailed_list: |
| 706 |
0 |
_filter = { |
| 707 |
|
"_admin.nsrs-detailed-list.ANYINDEX.nsrId": nss["nsrId"], |
| 708 |
|
"operational-status.ne": "terminated", |
| 709 |
|
"_id.ne": nsir_id, |
| 710 |
|
} |
| 711 |
0 |
nsis_list = self.db.get_one( |
| 712 |
|
"nsis", _filter, fail_on_empty=False, fail_on_more=False |
| 713 |
|
) |
| 714 |
0 |
if not nsis_list: |
| 715 |
0 |
nss.update({"instantiated": False}) |
| 716 |
|
|
| 717 |
0 |
step = "Network Slice Instance is terminated. nsi_id={}".format( |
| 718 |
|
nsir_id |
| 719 |
|
) |
| 720 |
0 |
for items in nsrs_detailed_list: |
| 721 |
0 |
if "FAILED" in items.values(): |
| 722 |
0 |
raise LcmException( |
| 723 |
|
"Error terminating NSI: {}".format(nsir_id) |
| 724 |
|
) |
| 725 |
0 |
break |
| 726 |
|
|
| 727 |
0 |
await asyncio.sleep(5, loop=self.loop) |
| 728 |
0 |
termination_timeout -= 5 |
| 729 |
|
|
| 730 |
0 |
if termination_timeout <= 0: |
| 731 |
0 |
raise LcmException( |
| 732 |
|
"Timeout waiting nsi to be terminated. nsi_id={}".format(nsir_id) |
| 733 |
|
) |
| 734 |
|
|
| 735 |
|
# Delete netslice-vlds |
| 736 |
0 |
RO_nsir_id = RO_delete_action = None |
| 737 |
0 |
for nsir_deployed_RO in get_iterable(nsir_deployed, "RO"): |
| 738 |
0 |
RO_nsir_id = nsir_deployed_RO.get("netslice_scenario_id") |
| 739 |
0 |
try: |
| 740 |
0 |
if not self.ro_config["ng"]: |
| 741 |
0 |
step = db_nsir_update[ |
| 742 |
|
"detailed-status" |
| 743 |
|
] = "Deleting netslice-vld at RO" |
| 744 |
0 |
db_nsilcmop_update[ |
| 745 |
|
"detailed-status" |
| 746 |
|
] = "Deleting netslice-vld at RO" |
| 747 |
0 |
self.logger.debug(logging_text + step) |
| 748 |
0 |
desc = await RO.delete("ns", RO_nsir_id) |
| 749 |
0 |
RO_delete_action = desc["action_id"] |
| 750 |
0 |
nsir_deployed_RO["vld_delete_action_id"] = RO_delete_action |
| 751 |
0 |
nsir_deployed_RO["vld_status"] = "DELETING" |
| 752 |
0 |
db_nsir_update["_admin.deployed"] = nsir_deployed |
| 753 |
0 |
self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 754 |
0 |
if RO_delete_action: |
| 755 |
|
# wait until NS is deleted from VIM |
| 756 |
0 |
step = "Waiting ns deleted from VIM. RO_id={}".format( |
| 757 |
|
RO_nsir_id |
| 758 |
|
) |
| 759 |
0 |
self.logger.debug(logging_text + step) |
| 760 |
0 |
except ROclient.ROClientException as e: |
| 761 |
0 |
if e.http_code == 404: # not found |
| 762 |
0 |
nsir_deployed_RO["vld_id"] = None |
| 763 |
0 |
nsir_deployed_RO["vld_status"] = "DELETED" |
| 764 |
0 |
self.logger.debug( |
| 765 |
|
logging_text |
| 766 |
|
+ "RO_ns_id={} already deleted".format(RO_nsir_id) |
| 767 |
|
) |
| 768 |
0 |
elif e.http_code == 409: # conflict |
| 769 |
0 |
failed_detail.append( |
| 770 |
|
"RO_ns_id={} delete conflict: {}".format(RO_nsir_id, e) |
| 771 |
|
) |
| 772 |
0 |
self.logger.debug(logging_text + failed_detail[-1]) |
| 773 |
|
else: |
| 774 |
0 |
failed_detail.append( |
| 775 |
|
"RO_ns_id={} delete error: {}".format(RO_nsir_id, e) |
| 776 |
|
) |
| 777 |
0 |
self.logger.error(logging_text + failed_detail[-1]) |
| 778 |
|
|
| 779 |
0 |
if failed_detail: |
| 780 |
0 |
self.logger.error(logging_text + " ;".join(failed_detail)) |
| 781 |
0 |
db_nsir_update["operational-status"] = "failed" |
| 782 |
0 |
db_nsir_update["detailed-status"] = "Deletion errors " + "; ".join( |
| 783 |
|
failed_detail |
| 784 |
|
) |
| 785 |
0 |
db_nsilcmop_update["detailed-status"] = "; ".join(failed_detail) |
| 786 |
0 |
db_nsilcmop_update[ |
| 787 |
|
"operationState" |
| 788 |
|
] = nsilcmop_operation_state = "FAILED" |
| 789 |
0 |
db_nsilcmop_update["statusEnteredTime"] = time() |
| 790 |
|
else: |
| 791 |
0 |
db_nsir_update["operational-status"] = "terminating" |
| 792 |
0 |
db_nsir_update["config-status"] = "terminating" |
| 793 |
0 |
db_nsir_update["_admin.nsiState"] = "NOT_INSTANTIATED" |
| 794 |
0 |
db_nsilcmop_update[ |
| 795 |
|
"operationState" |
| 796 |
|
] = nsilcmop_operation_state = "COMPLETED" |
| 797 |
0 |
db_nsilcmop_update["statusEnteredTime"] = time() |
| 798 |
0 |
if db_nsilcmop["operationParams"].get("autoremove"): |
| 799 |
0 |
autoremove = True |
| 800 |
|
|
| 801 |
0 |
db_nsir_update["detailed-status"] = "done" |
| 802 |
0 |
db_nsir_update["operational-status"] = "terminated" |
| 803 |
0 |
db_nsir_update["config-status"] = "terminated" |
| 804 |
0 |
db_nsilcmop_update["statusEnteredTime"] = time() |
| 805 |
0 |
db_nsilcmop_update["detailed-status"] = "done" |
| 806 |
0 |
return |
| 807 |
|
|
| 808 |
0 |
except (LcmException, DbException) as e: |
| 809 |
0 |
self.logger.error( |
| 810 |
|
logging_text + "Exit Exception while '{}': {}".format(step, e) |
| 811 |
|
) |
| 812 |
0 |
exc = e |
| 813 |
0 |
except asyncio.CancelledError: |
| 814 |
0 |
self.logger.error( |
| 815 |
|
logging_text + "Cancelled Exception while '{}'".format(step) |
| 816 |
|
) |
| 817 |
0 |
exc = "Operation was cancelled" |
| 818 |
0 |
except Exception as e: |
| 819 |
0 |
exc = traceback.format_exc() |
| 820 |
0 |
self.logger.critical( |
| 821 |
|
logging_text |
| 822 |
|
+ "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e), |
| 823 |
|
exc_info=True, |
| 824 |
|
) |
| 825 |
|
finally: |
| 826 |
0 |
if exc: |
| 827 |
0 |
if db_nsir: |
| 828 |
0 |
db_nsir_update["_admin.deployed"] = nsir_deployed |
| 829 |
0 |
db_nsir_update["detailed-status"] = "ERROR {}: {}".format(step, exc) |
| 830 |
0 |
db_nsir_update["operational-status"] = "failed" |
| 831 |
0 |
if db_nsilcmop: |
| 832 |
0 |
db_nsilcmop_update["detailed-status"] = "FAILED {}: {}".format( |
| 833 |
|
step, exc |
| 834 |
|
) |
| 835 |
0 |
db_nsilcmop_update[ |
| 836 |
|
"operationState" |
| 837 |
|
] = nsilcmop_operation_state = "FAILED" |
| 838 |
0 |
db_nsilcmop_update["statusEnteredTime"] = time() |
| 839 |
0 |
try: |
| 840 |
0 |
if db_nsir: |
| 841 |
0 |
db_nsir_update["_admin.deployed"] = nsir_deployed |
| 842 |
0 |
db_nsir_update["_admin.nsilcmop"] = None |
| 843 |
0 |
self.update_db_2("nsis", nsir_id, db_nsir_update) |
| 844 |
0 |
if db_nsilcmop: |
| 845 |
0 |
self.update_db_2("nsilcmops", nsilcmop_id, db_nsilcmop_update) |
| 846 |
0 |
except DbException as e: |
| 847 |
0 |
self.logger.error(logging_text + "Cannot update database: {}".format(e)) |
| 848 |
|
|
| 849 |
0 |
if nsilcmop_operation_state: |
| 850 |
0 |
try: |
| 851 |
0 |
await self.msg.aiowrite( |
| 852 |
|
"nsi", |
| 853 |
|
"terminated", |
| 854 |
|
{ |
| 855 |
|
"nsir_id": nsir_id, |
| 856 |
|
"nsilcmop_id": nsilcmop_id, |
| 857 |
|
"operationState": nsilcmop_operation_state, |
| 858 |
|
"autoremove": autoremove, |
| 859 |
|
}, |
| 860 |
|
loop=self.loop, |
| 861 |
|
) |
| 862 |
0 |
except Exception as e: |
| 863 |
0 |
self.logger.error( |
| 864 |
|
logging_text + "kafka_write notification Exception {}".format(e) |
| 865 |
|
) |
| 866 |
0 |
self.logger.debug(logging_text + "Exit") |
| 867 |
0 |
self.lcm_tasks.remove("nsi", nsir_id, nsilcmop_id, "nsi_terminate") |
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