| # -*- coding: utf-8 -*- |
| |
| ## |
| # Copyright 2018 Telefonica S.A. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| # not use this file except in compliance with the License. You may obtain |
| # a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations |
| # under the License. |
| ## |
| |
| import asyncio |
| import yaml |
| import logging |
| import logging.handlers |
| import traceback |
| from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError |
| |
| from osm_lcm import ROclient |
| from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase |
| from n2vc.k8s_helm_conn import K8sHelmConnector |
| |
| from osm_common.dbbase import DbException |
| from osm_common.fsbase import FsException |
| |
| from n2vc.n2vc_juju_conn import N2VCJujuConnector |
| |
| from copy import copy, deepcopy |
| from http import HTTPStatus |
| from time import time |
| from uuid import uuid4 |
| |
| __author__ = "Alfonso Tierno" |
| |
| |
| def get_iterable(in_dict, in_key): |
| """ |
| Similar to <dict>.get(), but if value is None, False, ..., An empty tuple is returned instead |
| :param in_dict: a dictionary |
| :param in_key: the key to look for at in_dict |
| :return: in_dict[in_var] or () if it is None or not present |
| """ |
| if not in_dict.get(in_key): |
| return () |
| return in_dict[in_key] |
| |
| |
| def populate_dict(target_dict, key_list, value): |
| """ |
| Update target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value. |
| Example target_dict={K: J}; key_list=[a,b,c]; target_dict will be {K: J, a: {b: {c: value}}} |
| :param target_dict: dictionary to be changed |
| :param key_list: list of keys to insert at target_dict |
| :param value: |
| :return: None |
| """ |
| for key in key_list[0:-1]: |
| if key not in target_dict: |
| target_dict[key] = {} |
| target_dict = target_dict[key] |
| target_dict[key_list[-1]] = value |
| |
| |
| def deep_get(target_dict, key_list): |
| """ |
| Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None |
| Example target_dict={a: {b: 5}}; key_list=[a,b] returns 5; both key_list=[a,b,c] and key_list=[f,h] return None |
| :param target_dict: dictionary to be read |
| :param key_list: list of keys to read from target_dict |
| :return: The wanted value if exist, None otherwise |
| """ |
| for key in key_list: |
| if not isinstance(target_dict, dict) or key not in target_dict: |
| return None |
| target_dict = target_dict[key] |
| return target_dict |
| |
| |
| class NsLcm(LcmBase): |
| timeout_vca_on_error = 5 * 60 # Time for charm from first time at blocked,error status to mark as failed |
| total_deploy_timeout = 2 * 3600 # global timeout for deployment |
| timeout_charm_delete = 10 * 60 |
| timeout_primitive = 10 * 60 # timeout for primitive execution |
| |
| SUBOPERATION_STATUS_NOT_FOUND = -1 |
| SUBOPERATION_STATUS_NEW = -2 |
| SUBOPERATION_STATUS_SKIP = -3 |
| |
| def __init__(self, db, msg, fs, lcm_tasks, ro_config, vca_config, loop): |
| """ |
| Init, Connect to database, filesystem storage, and messaging |
| :param config: two level dictionary with configuration. Top level should contain 'database', 'storage', |
| :return: None |
| """ |
| super().__init__( |
| db=db, |
| msg=msg, |
| fs=fs, |
| logger=logging.getLogger('lcm.ns') |
| ) |
| |
| self.loop = loop |
| self.lcm_tasks = lcm_tasks |
| self.ro_config = ro_config |
| self.vca_config = vca_config |
| if 'pubkey' in self.vca_config: |
| self.vca_config['public_key'] = self.vca_config['pubkey'] |
| if 'cacert' in self.vca_config: |
| self.vca_config['ca_cert'] = self.vca_config['cacert'] |
| |
| # create N2VC connector |
| self.n2vc = N2VCJujuConnector( |
| db=self.db, |
| fs=self.fs, |
| log=self.logger, |
| loop=self.loop, |
| url='{}:{}'.format(self.vca_config['host'], self.vca_config['port']), |
| username=self.vca_config.get('user', None), |
| vca_config=self.vca_config, |
| on_update_db=self._on_update_n2vc_db |
| # TODO |
| # New N2VC argument |
| # api_proxy=vca_config.get('apiproxy') |
| ) |
| |
| self.k8sclusterhelm = K8sHelmConnector( |
| kubectl_command=self.vca_config.get("kubectlpath"), |
| helm_command=self.vca_config.get("helmpath"), |
| fs=self.fs, |
| log=self.logger, |
| db=self.db, |
| on_update_db=None, |
| ) |
| |
| # create RO client |
| self.RO = ROclient.ROClient(self.loop, **self.ro_config) |
| |
| def _on_update_n2vc_db(self, table, filter, path, updated_data): |
| |
| self.logger.debug('_on_update_n2vc_db(table={}, filter={}, path={}, updated_data={}' |
| .format(table, filter, path, updated_data)) |
| |
| return |
| # write NS status to database |
| # try: |
| # # nsrs_id = filter.get('_id') |
| # # print(nsrs_id) |
| # # get ns record |
| # nsr = self.db.get_one(table=table, q_filter=filter) |
| # # get VCA deployed list |
| # vca_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'VCA')) |
| # # get RO deployed |
| # # ro_list = deep_get(target_dict=nsr, key_list=('_admin', 'deployed', 'RO')) |
| # for vca in vca_list: |
| # # status = vca.get('status') |
| # # print(status) |
| # # detailed_status = vca.get('detailed-status') |
| # # print(detailed_status) |
| # # for ro in ro_list: |
| # # print(ro) |
| # |
| # except Exception as e: |
| # self.logger.error('Error writing NS status to db: {}'.format(e)) |
| |
| def vnfd2RO(self, vnfd, new_id=None, additionalParams=None, nsrId=None): |
| """ |
| Converts creates a new vnfd descriptor for RO base on input OSM IM vnfd |
| :param vnfd: input vnfd |
| :param new_id: overrides vnf id if provided |
| :param additionalParams: Instantiation params for VNFs provided |
| :param nsrId: Id of the NSR |
| :return: copy of vnfd |
| """ |
| try: |
| vnfd_RO = deepcopy(vnfd) |
| # remove unused by RO configuration, monitoring, scaling and internal keys |
| vnfd_RO.pop("_id", None) |
| vnfd_RO.pop("_admin", None) |
| vnfd_RO.pop("vnf-configuration", None) |
| vnfd_RO.pop("monitoring-param", None) |
| vnfd_RO.pop("scaling-group-descriptor", None) |
| vnfd_RO.pop("kdu", None) |
| vnfd_RO.pop("k8s-cluster", None) |
| if new_id: |
| vnfd_RO["id"] = new_id |
| |
| # parse cloud-init or cloud-init-file with the provided variables using Jinja2 |
| for vdu in get_iterable(vnfd_RO, "vdu"): |
| cloud_init_file = None |
| if vdu.get("cloud-init-file"): |
| base_folder = vnfd["_admin"]["storage"] |
| cloud_init_file = "{}/{}/cloud_init/{}".format(base_folder["folder"], base_folder["pkg-dir"], |
| vdu["cloud-init-file"]) |
| with self.fs.file_open(cloud_init_file, "r") as ci_file: |
| cloud_init_content = ci_file.read() |
| vdu.pop("cloud-init-file", None) |
| elif vdu.get("cloud-init"): |
| cloud_init_content = vdu["cloud-init"] |
| else: |
| continue |
| |
| env = Environment() |
| ast = env.parse(cloud_init_content) |
| mandatory_vars = meta.find_undeclared_variables(ast) |
| if mandatory_vars: |
| for var in mandatory_vars: |
| if not additionalParams or var not in additionalParams.keys(): |
| raise LcmException("Variable '{}' defined at vnfd[id={}]:vdu[id={}]:cloud-init/cloud-init-" |
| "file, must be provided in the instantiation parameters inside the " |
| "'additionalParamsForVnf' block".format(var, vnfd["id"], vdu["id"])) |
| template = Template(cloud_init_content) |
| cloud_init_content = template.render(additionalParams or {}) |
| vdu["cloud-init"] = cloud_init_content |
| |
| return vnfd_RO |
| except FsException as e: |
| raise LcmException("Error reading vnfd[id={}]:vdu[id={}]:cloud-init-file={}: {}". |
| format(vnfd["id"], vdu["id"], cloud_init_file, e)) |
| except (TemplateError, TemplateNotFound, TemplateSyntaxError) as e: |
| raise LcmException("Error parsing Jinja2 to cloud-init content at vnfd[id={}]:vdu[id={}]: {}". |
| format(vnfd["id"], vdu["id"], e)) |
| |
| def ns_params_2_RO(self, ns_params, nsd, vnfd_dict, n2vc_key_list): |
| """ |
| Creates a RO ns descriptor from OSM ns_instantiate params |
| :param ns_params: OSM instantiate params |
| :return: The RO ns descriptor |
| """ |
| vim_2_RO = {} |
| wim_2_RO = {} |
| # TODO feature 1417: Check that no instantiation is set over PDU |
| # check if PDU forces a concrete vim-network-id and add it |
| # check if PDU contains a SDN-assist info (dpid, switch, port) and pass it to RO |
| |
| def vim_account_2_RO(vim_account): |
| if vim_account in vim_2_RO: |
| return vim_2_RO[vim_account] |
| |
| db_vim = self.db.get_one("vim_accounts", {"_id": vim_account}) |
| if db_vim["_admin"]["operationalState"] != "ENABLED": |
| raise LcmException("VIM={} is not available. operationalState={}".format( |
| vim_account, db_vim["_admin"]["operationalState"])) |
| RO_vim_id = db_vim["_admin"]["deployed"]["RO"] |
| vim_2_RO[vim_account] = RO_vim_id |
| return RO_vim_id |
| |
| def wim_account_2_RO(wim_account): |
| if isinstance(wim_account, str): |
| if wim_account in wim_2_RO: |
| return wim_2_RO[wim_account] |
| |
| db_wim = self.db.get_one("wim_accounts", {"_id": wim_account}) |
| if db_wim["_admin"]["operationalState"] != "ENABLED": |
| raise LcmException("WIM={} is not available. operationalState={}".format( |
| wim_account, db_wim["_admin"]["operationalState"])) |
| RO_wim_id = db_wim["_admin"]["deployed"]["RO-account"] |
| wim_2_RO[wim_account] = RO_wim_id |
| return RO_wim_id |
| else: |
| return wim_account |
| |
| def ip_profile_2_RO(ip_profile): |
| RO_ip_profile = deepcopy((ip_profile)) |
| if "dns-server" in RO_ip_profile: |
| if isinstance(RO_ip_profile["dns-server"], list): |
| RO_ip_profile["dns-address"] = [] |
| for ds in RO_ip_profile.pop("dns-server"): |
| RO_ip_profile["dns-address"].append(ds['address']) |
| else: |
| RO_ip_profile["dns-address"] = RO_ip_profile.pop("dns-server") |
| if RO_ip_profile.get("ip-version") == "ipv4": |
| RO_ip_profile["ip-version"] = "IPv4" |
| if RO_ip_profile.get("ip-version") == "ipv6": |
| RO_ip_profile["ip-version"] = "IPv6" |
| if "dhcp-params" in RO_ip_profile: |
| RO_ip_profile["dhcp"] = RO_ip_profile.pop("dhcp-params") |
| return RO_ip_profile |
| |
| if not ns_params: |
| return None |
| RO_ns_params = { |
| # "name": ns_params["nsName"], |
| # "description": ns_params.get("nsDescription"), |
| "datacenter": vim_account_2_RO(ns_params["vimAccountId"]), |
| "wim_account": wim_account_2_RO(ns_params.get("wimAccountId")), |
| # "scenario": ns_params["nsdId"], |
| } |
| |
| n2vc_key_list = n2vc_key_list or [] |
| for vnfd_ref, vnfd in vnfd_dict.items(): |
| vdu_needed_access = [] |
| mgmt_cp = None |
| if vnfd.get("vnf-configuration"): |
| ssh_required = deep_get(vnfd, ("vnf-configuration", "config-access", "ssh-access", "required")) |
| if ssh_required and vnfd.get("mgmt-interface"): |
| if vnfd["mgmt-interface"].get("vdu-id"): |
| vdu_needed_access.append(vnfd["mgmt-interface"]["vdu-id"]) |
| elif vnfd["mgmt-interface"].get("cp"): |
| mgmt_cp = vnfd["mgmt-interface"]["cp"] |
| |
| for vdu in vnfd.get("vdu", ()): |
| if vdu.get("vdu-configuration"): |
| ssh_required = deep_get(vdu, ("vdu-configuration", "config-access", "ssh-access", "required")) |
| if ssh_required: |
| vdu_needed_access.append(vdu["id"]) |
| elif mgmt_cp: |
| for vdu_interface in vdu.get("interface"): |
| if vdu_interface.get("external-connection-point-ref") and \ |
| vdu_interface["external-connection-point-ref"] == mgmt_cp: |
| vdu_needed_access.append(vdu["id"]) |
| mgmt_cp = None |
| break |
| |
| if vdu_needed_access: |
| for vnf_member in nsd.get("constituent-vnfd"): |
| if vnf_member["vnfd-id-ref"] != vnfd_ref: |
| continue |
| for vdu in vdu_needed_access: |
| populate_dict(RO_ns_params, |
| ("vnfs", vnf_member["member-vnf-index"], "vdus", vdu, "mgmt_keys"), |
| n2vc_key_list) |
| |
| if ns_params.get("vduImage"): |
| RO_ns_params["vduImage"] = ns_params["vduImage"] |
| |
| if ns_params.get("ssh_keys"): |
| RO_ns_params["cloud-config"] = {"key-pairs": ns_params["ssh_keys"]} |
| for vnf_params in get_iterable(ns_params, "vnf"): |
| for constituent_vnfd in nsd["constituent-vnfd"]: |
| if constituent_vnfd["member-vnf-index"] == vnf_params["member-vnf-index"]: |
| vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]] |
| break |
| else: |
| raise LcmException("Invalid instantiate parameter vnf:member-vnf-index={} is not present at nsd:" |
| "constituent-vnfd".format(vnf_params["member-vnf-index"])) |
| if vnf_params.get("vimAccountId"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "datacenter"), |
| vim_account_2_RO(vnf_params["vimAccountId"])) |
| |
| for vdu_params in get_iterable(vnf_params, "vdu"): |
| # TODO feature 1417: check that this VDU exist and it is not a PDU |
| if vdu_params.get("volume"): |
| for volume_params in vdu_params["volume"]: |
| if volume_params.get("vim-volume-id"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus", |
| vdu_params["id"], "devices", volume_params["name"], "vim_id"), |
| volume_params["vim-volume-id"]) |
| if vdu_params.get("interface"): |
| for interface_params in vdu_params["interface"]: |
| if interface_params.get("ip-address"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus", |
| vdu_params["id"], "interfaces", interface_params["name"], |
| "ip_address"), |
| interface_params["ip-address"]) |
| if interface_params.get("mac-address"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus", |
| vdu_params["id"], "interfaces", interface_params["name"], |
| "mac_address"), |
| interface_params["mac-address"]) |
| if interface_params.get("floating-ip-required"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus", |
| vdu_params["id"], "interfaces", interface_params["name"], |
| "floating-ip"), |
| interface_params["floating-ip-required"]) |
| |
| for internal_vld_params in get_iterable(vnf_params, "internal-vld"): |
| if internal_vld_params.get("vim-network-name"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks", |
| internal_vld_params["name"], "vim-network-name"), |
| internal_vld_params["vim-network-name"]) |
| if internal_vld_params.get("vim-network-id"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks", |
| internal_vld_params["name"], "vim-network-id"), |
| internal_vld_params["vim-network-id"]) |
| if internal_vld_params.get("ip-profile"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks", |
| internal_vld_params["name"], "ip-profile"), |
| ip_profile_2_RO(internal_vld_params["ip-profile"])) |
| |
| for icp_params in get_iterable(internal_vld_params, "internal-connection-point"): |
| # look for interface |
| iface_found = False |
| for vdu_descriptor in vnf_descriptor["vdu"]: |
| for vdu_interface in vdu_descriptor["interface"]: |
| if vdu_interface.get("internal-connection-point-ref") == icp_params["id-ref"]: |
| if icp_params.get("ip-address"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus", |
| vdu_descriptor["id"], "interfaces", |
| vdu_interface["name"], "ip_address"), |
| icp_params["ip-address"]) |
| |
| if icp_params.get("mac-address"): |
| populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "vdus", |
| vdu_descriptor["id"], "interfaces", |
| vdu_interface["name"], "mac_address"), |
| icp_params["mac-address"]) |
| iface_found = True |
| break |
| if iface_found: |
| break |
| else: |
| raise LcmException("Invalid instantiate parameter vnf:member-vnf-index[{}]:" |
| "internal-vld:id-ref={} is not present at vnfd:internal-" |
| "connection-point".format(vnf_params["member-vnf-index"], |
| icp_params["id-ref"])) |
| |
| for vld_params in get_iterable(ns_params, "vld"): |
| if "ip-profile" in vld_params: |
| populate_dict(RO_ns_params, ("networks", vld_params["name"], "ip-profile"), |
| ip_profile_2_RO(vld_params["ip-profile"])) |
| |
| if "wimAccountId" in vld_params and vld_params["wimAccountId"] is not None: |
| populate_dict(RO_ns_params, ("networks", vld_params["name"], "wim_account"), |
| wim_account_2_RO(vld_params["wimAccountId"])), |
| if vld_params.get("vim-network-name"): |
| RO_vld_sites = [] |
| if isinstance(vld_params["vim-network-name"], dict): |
| for vim_account, vim_net in vld_params["vim-network-name"].items(): |
| RO_vld_sites.append({ |
| "netmap-use": vim_net, |
| "datacenter": vim_account_2_RO(vim_account) |
| }) |
| else: # isinstance str |
| RO_vld_sites.append({"netmap-use": vld_params["vim-network-name"]}) |
| if RO_vld_sites: |
| populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites) |
| if vld_params.get("vim-network-id"): |
| RO_vld_sites = [] |
| if isinstance(vld_params["vim-network-id"], dict): |
| for vim_account, vim_net in vld_params["vim-network-id"].items(): |
| RO_vld_sites.append({ |
| "netmap-use": vim_net, |
| "datacenter": vim_account_2_RO(vim_account) |
| }) |
| else: # isinstance str |
| RO_vld_sites.append({"netmap-use": vld_params["vim-network-id"]}) |
| if RO_vld_sites: |
| populate_dict(RO_ns_params, ("networks", vld_params["name"], "sites"), RO_vld_sites) |
| if vld_params.get("ns-net"): |
| if isinstance(vld_params["ns-net"], dict): |
| for vld_id, instance_scenario_id in vld_params["ns-net"].items(): |
| RO_vld_ns_net = {"instance_scenario_id": instance_scenario_id, "osm_id": vld_id} |
| if RO_vld_ns_net: |
| populate_dict(RO_ns_params, ("networks", vld_params["name"], "use-network"), RO_vld_ns_net) |
| if "vnfd-connection-point-ref" in vld_params: |
| for cp_params in vld_params["vnfd-connection-point-ref"]: |
| # look for interface |
| for constituent_vnfd in nsd["constituent-vnfd"]: |
| if constituent_vnfd["member-vnf-index"] == cp_params["member-vnf-index-ref"]: |
| vnf_descriptor = vnfd_dict[constituent_vnfd["vnfd-id-ref"]] |
| break |
| else: |
| raise LcmException( |
| "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={} " |
| "is not present at nsd:constituent-vnfd".format(cp_params["member-vnf-index-ref"])) |
| match_cp = False |
| for vdu_descriptor in vnf_descriptor["vdu"]: |
| for interface_descriptor in vdu_descriptor["interface"]: |
| if interface_descriptor.get("external-connection-point-ref") == \ |
| cp_params["vnfd-connection-point-ref"]: |
| match_cp = True |
| break |
| if match_cp: |
| break |
| else: |
| raise LcmException( |
| "Invalid instantiate parameter vld:vnfd-connection-point-ref:member-vnf-index-ref={}:" |
| "vnfd-connection-point-ref={} is not present at vnfd={}".format( |
| cp_params["member-vnf-index-ref"], |
| cp_params["vnfd-connection-point-ref"], |
| vnf_descriptor["id"])) |
| if cp_params.get("ip-address"): |
| populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus", |
| vdu_descriptor["id"], "interfaces", |
| interface_descriptor["name"], "ip_address"), |
| cp_params["ip-address"]) |
| if cp_params.get("mac-address"): |
| populate_dict(RO_ns_params, ("vnfs", cp_params["member-vnf-index-ref"], "vdus", |
| vdu_descriptor["id"], "interfaces", |
| interface_descriptor["name"], "mac_address"), |
| cp_params["mac-address"]) |
| return RO_ns_params |
| |
| def scale_vnfr(self, db_vnfr, vdu_create=None, vdu_delete=None): |
| # make a copy to do not change |
| vdu_create = copy(vdu_create) |
| vdu_delete = copy(vdu_delete) |
| |
| vdurs = db_vnfr.get("vdur") |
| if vdurs is None: |
| vdurs = [] |
| vdu_index = len(vdurs) |
| while vdu_index: |
| vdu_index -= 1 |
| vdur = vdurs[vdu_index] |
| if vdur.get("pdu-type"): |
| continue |
| vdu_id_ref = vdur["vdu-id-ref"] |
| if vdu_create and vdu_create.get(vdu_id_ref): |
| for index in range(0, vdu_create[vdu_id_ref]): |
| vdur = deepcopy(vdur) |
| vdur["_id"] = str(uuid4()) |
| vdur["count-index"] += 1 |
| vdurs.insert(vdu_index+1+index, vdur) |
| del vdu_create[vdu_id_ref] |
| if vdu_delete and vdu_delete.get(vdu_id_ref): |
| del vdurs[vdu_index] |
| vdu_delete[vdu_id_ref] -= 1 |
| if not vdu_delete[vdu_id_ref]: |
| del vdu_delete[vdu_id_ref] |
| # check all operations are done |
| if vdu_create or vdu_delete: |
| raise LcmException("Error scaling OUT VNFR for {}. There is not any existing vnfr. Scaled to 0?".format( |
| vdu_create)) |
| if vdu_delete: |
| raise LcmException("Error scaling IN VNFR for {}. There is not any existing vnfr. Scaled to 0?".format( |
| vdu_delete)) |
| |
| vnfr_update = {"vdur": vdurs} |
| db_vnfr["vdur"] = vdurs |
| self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update) |
| |
| def ns_update_nsr(self, ns_update_nsr, db_nsr, nsr_desc_RO): |
| """ |
| Updates database nsr with the RO info for the created vld |
| :param ns_update_nsr: dictionary to be filled with the updated info |
| :param db_nsr: content of db_nsr. This is also modified |
| :param nsr_desc_RO: nsr descriptor from RO |
| :return: Nothing, LcmException is raised on errors |
| """ |
| |
| for vld_index, vld in enumerate(get_iterable(db_nsr, "vld")): |
| for net_RO in get_iterable(nsr_desc_RO, "nets"): |
| if vld["id"] != net_RO.get("ns_net_osm_id"): |
| continue |
| vld["vim-id"] = net_RO.get("vim_net_id") |
| vld["name"] = net_RO.get("vim_name") |
| vld["status"] = net_RO.get("status") |
| vld["status-detailed"] = net_RO.get("error_msg") |
| ns_update_nsr["vld.{}".format(vld_index)] = vld |
| break |
| else: |
| raise LcmException("ns_update_nsr: Not found vld={} at RO info".format(vld["id"])) |
| |
| def ns_update_vnfr(self, db_vnfrs, nsr_desc_RO): |
| """ |
| Updates database vnfr with the RO info, e.g. ip_address, vim_id... Descriptor db_vnfrs is also updated |
| :param db_vnfrs: dictionary with member-vnf-index: vnfr-content |
| :param nsr_desc_RO: nsr descriptor from RO |
| :return: Nothing, LcmException is raised on errors |
| """ |
| for vnf_index, db_vnfr in db_vnfrs.items(): |
| for vnf_RO in nsr_desc_RO["vnfs"]: |
| if vnf_RO["member_vnf_index"] != vnf_index: |
| continue |
| vnfr_update = {} |
| if vnf_RO.get("ip_address"): |
| db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["ip_address"].split(";")[0] |
| elif not db_vnfr.get("ip-address"): |
| raise LcmExceptionNoMgmtIP("ns member_vnf_index '{}' has no IP address".format(vnf_index)) |
| |
| for vdu_index, vdur in enumerate(get_iterable(db_vnfr, "vdur")): |
| vdur_RO_count_index = 0 |
| if vdur.get("pdu-type"): |
| continue |
| for vdur_RO in get_iterable(vnf_RO, "vms"): |
| if vdur["vdu-id-ref"] != vdur_RO["vdu_osm_id"]: |
| continue |
| if vdur["count-index"] != vdur_RO_count_index: |
| vdur_RO_count_index += 1 |
| continue |
| vdur["vim-id"] = vdur_RO.get("vim_vm_id") |
| if vdur_RO.get("ip_address"): |
| vdur["ip-address"] = vdur_RO["ip_address"].split(";")[0] |
| else: |
| vdur["ip-address"] = None |
| vdur["vdu-id-ref"] = vdur_RO.get("vdu_osm_id") |
| vdur["name"] = vdur_RO.get("vim_name") |
| vdur["status"] = vdur_RO.get("status") |
| vdur["status-detailed"] = vdur_RO.get("error_msg") |
| for ifacer in get_iterable(vdur, "interfaces"): |
| for interface_RO in get_iterable(vdur_RO, "interfaces"): |
| if ifacer["name"] == interface_RO.get("internal_name"): |
| ifacer["ip-address"] = interface_RO.get("ip_address") |
| ifacer["mac-address"] = interface_RO.get("mac_address") |
| break |
| else: |
| raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} interface={} " |
| "from VIM info" |
| .format(vnf_index, vdur["vdu-id-ref"], ifacer["name"])) |
| vnfr_update["vdur.{}".format(vdu_index)] = vdur |
| break |
| else: |
| raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vdur={} count_index={} from " |
| "VIM info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"])) |
| |
| for vld_index, vld in enumerate(get_iterable(db_vnfr, "vld")): |
| for net_RO in get_iterable(nsr_desc_RO, "nets"): |
| if vld["id"] != net_RO.get("vnf_net_osm_id"): |
| continue |
| vld["vim-id"] = net_RO.get("vim_net_id") |
| vld["name"] = net_RO.get("vim_name") |
| vld["status"] = net_RO.get("status") |
| vld["status-detailed"] = net_RO.get("error_msg") |
| vnfr_update["vld.{}".format(vld_index)] = vld |
| break |
| else: |
| raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} from VIM info".format( |
| vnf_index, vld["id"])) |
| |
| self.update_db_2("vnfrs", db_vnfr["_id"], vnfr_update) |
| break |
| |
| else: |
| raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index)) |
| |
| async def instantiate_RO(self, logging_text, nsr_id, nsd, db_nsr, |
| db_nslcmop, db_vnfrs, db_vnfds_ref, n2vc_key_list): |
| |
| db_nsr_update = {} |
| RO_descriptor_number = 0 # number of descriptors created at RO |
| vnf_index_2_RO_id = {} # map between vnfd/nsd id to the id used at RO |
| start_deploy = time() |
| vdu_flag = False # If any of the VNFDs has VDUs |
| ns_params = db_nslcmop.get("operationParams") |
| |
| # deploy RO |
| |
| # get vnfds, instantiate at RO |
| |
| for c_vnf in nsd.get("constituent-vnfd", ()): |
| member_vnf_index = c_vnf["member-vnf-index"] |
| vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']] |
| if vnfd.get("vdu"): |
| vdu_flag = True |
| vnfd_ref = vnfd["id"] |
| step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating vnfd='{}' member_vnf_index='{}' at" \ |
| " RO".format(vnfd_ref, member_vnf_index) |
| # self.logger.debug(logging_text + step) |
| vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, member_vnf_index[:23]) |
| vnf_index_2_RO_id[member_vnf_index] = vnfd_id_RO |
| RO_descriptor_number += 1 |
| |
| # look position at deployed.RO.vnfd if not present it will be appended at the end |
| for index, vnf_deployed in enumerate(db_nsr["_admin"]["deployed"]["RO"]["vnfd"]): |
| if vnf_deployed["member-vnf-index"] == member_vnf_index: |
| break |
| else: |
| index = len(db_nsr["_admin"]["deployed"]["RO"]["vnfd"]) |
| db_nsr["_admin"]["deployed"]["RO"]["vnfd"].append(None) |
| |
| # look if present |
| RO_update = {"member-vnf-index": member_vnf_index} |
| vnfd_list = await self.RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO}) |
| if vnfd_list: |
| RO_update["id"] = vnfd_list[0]["uuid"] |
| self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' exists at RO. Using RO_id={}". |
| format(vnfd_ref, member_vnf_index, vnfd_list[0]["uuid"])) |
| else: |
| vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO, db_vnfrs[c_vnf["member-vnf-index"]]. |
| get("additionalParamsForVnf"), nsr_id) |
| desc = await self.RO.create("vnfd", descriptor=vnfd_RO) |
| RO_update["id"] = desc["uuid"] |
| self.logger.debug(logging_text + "vnfd='{}' member_vnf_index='{}' created at RO. RO_id={}".format( |
| vnfd_ref, member_vnf_index, desc["uuid"])) |
| db_nsr_update["_admin.deployed.RO.vnfd.{}".format(index)] = RO_update |
| db_nsr["_admin"]["deployed"]["RO"]["vnfd"][index] = RO_update |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update) |
| |
| # create nsd at RO |
| nsd_ref = nsd["id"] |
| step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Creating nsd={} at RO".format(nsd_ref) |
| # self.logger.debug(logging_text + step) |
| |
| RO_osm_nsd_id = "{}.{}.{}".format(nsr_id, RO_descriptor_number, nsd_ref[:23]) |
| RO_descriptor_number += 1 |
| nsd_list = await self.RO.get_list("nsd", filter_by={"osm_id": RO_osm_nsd_id}) |
| if nsd_list: |
| db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = nsd_list[0]["uuid"] |
| self.logger.debug(logging_text + "nsd={} exists at RO. Using RO_id={}".format( |
| nsd_ref, RO_nsd_uuid)) |
| else: |
| nsd_RO = deepcopy(nsd) |
| nsd_RO["id"] = RO_osm_nsd_id |
| nsd_RO.pop("_id", None) |
| nsd_RO.pop("_admin", None) |
| for c_vnf in nsd_RO.get("constituent-vnfd", ()): |
| member_vnf_index = c_vnf["member-vnf-index"] |
| c_vnf["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index] |
| for c_vld in nsd_RO.get("vld", ()): |
| for cp in c_vld.get("vnfd-connection-point-ref", ()): |
| member_vnf_index = cp["member-vnf-index-ref"] |
| cp["vnfd-id-ref"] = vnf_index_2_RO_id[member_vnf_index] |
| |
| desc = await self.RO.create("nsd", descriptor=nsd_RO) |
| db_nsr_update["_admin.nsState"] = "INSTANTIATED" |
| db_nsr_update["_admin.deployed.RO.nsd_id"] = RO_nsd_uuid = desc["uuid"] |
| self.logger.debug(logging_text + "nsd={} created at RO. RO_id={}".format(nsd_ref, RO_nsd_uuid)) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update) |
| |
| # Crate ns at RO |
| # if present use it unless in error status |
| RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "nsr_id")) |
| if RO_nsr_id: |
| try: |
| step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Looking for existing ns at RO" |
| # self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id)) |
| desc = await self.RO.show("ns", RO_nsr_id) |
| except ROclient.ROClientException as e: |
| if e.http_code != HTTPStatus.NOT_FOUND: |
| raise |
| RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None |
| if RO_nsr_id: |
| ns_status, ns_status_info = self.RO.check_ns_status(desc) |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status |
| if ns_status == "ERROR": |
| step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deleting ns at RO. RO_ns_id={}"\ |
| .format(RO_nsr_id) |
| self.logger.debug(logging_text + step) |
| await self.RO.delete("ns", RO_nsr_id) |
| RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = None |
| if not RO_nsr_id: |
| step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking dependencies" |
| # self.logger.debug(logging_text + step) |
| |
| # check if VIM is creating and wait look if previous tasks in process |
| task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account", ns_params["vimAccountId"]) |
| if task_dependency: |
| step = "Waiting for related tasks to be completed: {}".format(task_name) |
| self.logger.debug(logging_text + step) |
| await asyncio.wait(task_dependency, timeout=3600) |
| if ns_params.get("vnf"): |
| for vnf in ns_params["vnf"]: |
| if "vimAccountId" in vnf: |
| task_name, task_dependency = self.lcm_tasks.lookfor_related("vim_account", |
| vnf["vimAccountId"]) |
| if task_dependency: |
| step = "Waiting for related tasks to be completed: {}".format(task_name) |
| self.logger.debug(logging_text + step) |
| await asyncio.wait(task_dependency, timeout=3600) |
| |
| step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Checking instantiation parameters" |
| |
| RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list) |
| |
| step = db_nsr_update["detailed-status"] = "Deploying ns at VIM" |
| # step = db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deploying ns at VIM" |
| desc = await self.RO.create("ns", descriptor=RO_ns_params, name=db_nsr["name"], scenario=RO_nsd_uuid) |
| RO_nsr_id = db_nsr_update["_admin.deployed.RO.nsr_id"] = desc["uuid"] |
| db_nsr_update["_admin.nsState"] = "INSTANTIATED" |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = "BUILD" |
| self.logger.debug(logging_text + "ns created at RO. RO_id={}".format(desc["uuid"])) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update) |
| |
| # wait until NS is ready |
| step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. RO_ns_id={}".format(RO_nsr_id) |
| detailed_status_old = None |
| self.logger.debug(logging_text + step) |
| |
| while time() <= start_deploy + self.total_deploy_timeout: |
| desc = await self.RO.show("ns", RO_nsr_id) |
| ns_status, ns_status_info = self.RO.check_ns_status(desc) |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status |
| if ns_status == "ERROR": |
| raise ROclient.ROClientException(ns_status_info) |
| elif ns_status == "BUILD": |
| detailed_status = ns_status_detailed + "; {}".format(ns_status_info) |
| elif ns_status == "ACTIVE": |
| step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs" |
| try: |
| if vdu_flag: |
| self.ns_update_vnfr(db_vnfrs, desc) |
| break |
| except LcmExceptionNoMgmtIP: |
| pass |
| else: |
| assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status) |
| if detailed_status != detailed_status_old: |
| detailed_status_old = db_nsr_update["_admin.deployed.RO.detailed-status"] = detailed_status |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update) |
| await asyncio.sleep(5, loop=self.loop) |
| else: # total_deploy_timeout |
| raise ROclient.ROClientException("Timeout waiting ns to be ready") |
| |
| step = "Updating NSR" |
| self.ns_update_nsr(db_nsr_update, db_nsr, desc) |
| |
| db_nsr_update["_admin.deployed.RO.operational-status"] = "running" |
| db_nsr["_admin.deployed.RO.detailed-status"] = "Deployed at VIM" |
| db_nsr_update["_admin.deployed.RO.detailed-status"] = "Deployed at VIM" |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self._on_update_n2vc_db("nsrs", {"_id": nsr_id}, "_admin.deployed", db_nsr_update) |
| |
| step = "Deployed at VIM" |
| self.logger.debug(logging_text + step) |
| |
| # wait for ip addres at RO, and optionally, insert public key in virtual machine |
| # returns IP address |
| async def insert_key_ro(self, logging_text, nsr_id, vnfr_id, vdu_id, vdu_index, pub_key=None, user=None): |
| |
| self.logger.debug(logging_text + "Starting insert_key_ro") |
| |
| ro_nsr_id = None |
| ip_address = None |
| nb_tries = 0 |
| target_vdu_id = None |
| |
| while True: |
| |
| await asyncio.sleep(10, loop=self.loop) |
| # wait until NS is deployed at RO |
| if not ro_nsr_id: |
| db_nsrs = self.db.get_one("nsrs", {"_id": nsr_id}) |
| ro_nsr_id = deep_get(db_nsrs, ("_admin", "deployed", "RO", "nsr_id")) |
| if not ro_nsr_id: |
| continue |
| |
| # get ip address |
| if not target_vdu_id: |
| db_vnfr = self.db.get_one("vnfrs", {"_id": vnfr_id}) |
| if not vdu_id: |
| ip_address = db_vnfr.get("ip-address") |
| if not ip_address: |
| continue |
| for vdur in get_iterable(db_vnfr, "vdur"): |
| if (vdur["vdu-id-ref"] == vdu_id and vdur["count-index"] == vdu_index) or \ |
| (ip_address and vdur.get("ip-address") == ip_address): |
| if vdur["status"] == "ACTIVE": |
| target_vdu_id = vdur["vdu-id-ref"] |
| elif vdur["status"] == "ERROR": |
| raise LcmException("Cannot inject ssh-key because target VM is in error state") |
| break |
| else: |
| raise LcmException("Not found vnfr_id={}, vdu_index={}, vdu_index={}".format( |
| vnfr_id, vdu_id, vdu_index |
| )) |
| |
| if not target_vdu_id: |
| continue |
| |
| self.logger.debug(logging_text + "IP address={}".format(ip_address)) |
| |
| # inject public key into machine |
| if pub_key and user: |
| self.logger.debug(logging_text + "Inserting RO key") |
| try: |
| ro_vm_id = "{}-{}".format(db_vnfr["member-vnf-index-ref"], target_vdu_id) # TODO add vdu_index |
| result_dict = await self.RO.create_action( |
| item="ns", |
| item_id_name=ro_nsr_id, |
| descriptor={"add_public_key": pub_key, "vms": [ro_vm_id], "user": user} |
| ) |
| # result_dict contains the format {VM-id: {vim_result: 200, description: text}} |
| if not result_dict or not isinstance(result_dict, dict): |
| raise LcmException("Unknown response from RO when injecting key") |
| for result in result_dict.values(): |
| if result.get("vim_result") == 200: |
| break |
| else: |
| raise ROclient.ROClientException("error injecting key: {}".format( |
| result.get("description"))) |
| break |
| except ROclient.ROClientException as e: |
| nb_tries += 1 |
| if nb_tries >= 10: |
| raise LcmException("Reaching max tries injecting key. Error: {}".format(e)) |
| self.logger.debug(logging_text + "error injecting key: {}".format(e)) |
| else: |
| break |
| |
| return ip_address |
| |
| async def instantiate_N2VC(self, logging_text, vca_index, nsi_id, db_nsr, db_vnfr, vdu_id, |
| kdu_name, vdu_index, config_descriptor, deploy_params, base_folder): |
| nsr_id = db_nsr["_id"] |
| db_update_entry = "_admin.deployed.VCA.{}.".format(vca_index) |
| vca_deployed = db_nsr["_admin"]["deployed"]["VCA"][vca_index] |
| db_dict = { |
| 'collection': 'nsrs', |
| 'filter': {'_id': nsr_id}, |
| 'path': db_update_entry |
| } |
| |
| |
| logging_text += "member_vnf_index={} vdu_id={}, vdu_index={} "\ |
| .format(db_vnfr["member-vnf-index-ref"], vdu_id, vdu_index) |
| |
| step = "" |
| try: |
| vnfr_id = None |
| if db_vnfr: |
| vnfr_id = db_vnfr["_id"] |
| |
| namespace = "{nsi}.{ns}".format( |
| nsi=nsi_id if nsi_id else "", |
| ns=nsr_id) |
| if vnfr_id: |
| namespace += "." + vnfr_id |
| if vdu_id: |
| namespace += ".{}-{}".format(vdu_id, vdu_index or 0) |
| |
| # Get artifact path |
| artifact_path = "/{}/{}/charms/{}".format( |
| base_folder["folder"], |
| base_folder["pkg-dir"], |
| config_descriptor["juju"]["charm"] |
| ) |
| |
| is_proxy_charm = deep_get(config_descriptor, ('juju', 'charm')) is not None |
| if deep_get(config_descriptor, ('juju', 'proxy')) is False: |
| is_proxy_charm = False |
| |
| # n2vc_redesign STEP 3.1 |
| |
| # find old ee_id if exists |
| ee_id = vca_deployed.get("ee_id") |
| |
| # create or register execution environment in VCA |
| if is_proxy_charm: |
| step = "create execution environment" |
| self.logger.debug(logging_text + step) |
| ee_id, credentials = await self.n2vc.create_execution_environment( |
| namespace=namespace, |
| reuse_ee_id=ee_id, |
| db_dict=db_dict |
| ) |
| |
| else: |
| step = "register execution envioronment" |
| # TODO wait until deployed by RO, when IP address has been filled. By pooling???? |
| credentials = {} # TODO db_credentials["ip_address"] |
| # get username |
| # TODO remove this when changes on IM regarding config-access:ssh-access:default-user were |
| # merged. Meanwhile let's get username from initial-config-primitive |
| if config_descriptor.get("initial-config-primitive"): |
| for param in config_descriptor["initial-config-primitive"][0].get("parameter", ()): |
| if param["name"] == "ssh-username": |
| credentials["username"] = param["value"] |
| if config_descriptor.get("config-access") and config_descriptor["config-access"].get("ssh-access"): |
| if config_descriptor["config-access"]["ssh-access"].get("required"): |
| credentials["username"] = \ |
| config_descriptor["config-access"]["ssh-access"].get("default-user") |
| |
| # n2vc_redesign STEP 3.2 |
| self.logger.debug(logging_text + step) |
| ee_id = await self.n2vc.register_execution_environment( |
| credentials=credentials, |
| namespace=namespace, |
| db_dict=db_dict |
| ) |
| |
| # for compatibility with MON/POL modules, the need model and application name at database |
| # TODO ask to N2VC instead of assuming the format "model_name.application_name" |
| ee_id_parts = ee_id.split('.') |
| model_name = ee_id_parts[0] |
| application_name = ee_id_parts[1] |
| self.update_db_2("nsrs", nsr_id, {db_update_entry + "model": model_name, |
| db_update_entry + "application": application_name, |
| db_update_entry + "ee_id": ee_id}) |
| |
| # n2vc_redesign STEP 3.3 |
| # TODO check if already done |
| step = "Install configuration Software" |
| self.logger.debug(logging_text + step) |
| await self.n2vc.install_configuration_sw( |
| ee_id=ee_id, |
| artifact_path=artifact_path, |
| db_dict=db_dict |
| ) |
| |
| # if SSH access is required, then get execution environment SSH public |
| required = deep_get(config_descriptor, ("config-access", "ssh-access", "required")) |
| if is_proxy_charm and required: |
| |
| pub_key = None |
| pub_key = await self.n2vc.get_ee_ssh_public__key( |
| ee_id=ee_id, |
| db_dict=db_dict |
| ) |
| |
| user = deep_get(config_descriptor, ("config-access", "ssh-access", "default-user")) |
| # insert pub_key into VM |
| # n2vc_redesign STEP 5.1 |
| step = "Insert public key into VM" |
| self.logger.debug(logging_text + step) |
| |
| # wait for RO (ip-address) |
| rw_mgmt_ip = await self.insert_key_ro( |
| logging_text=logging_text, |
| nsr_id=nsr_id, |
| vnfr_id=vnfr_id, |
| vdu_id=vdu_id, |
| vdu_index=vdu_index, |
| user=user, |
| pub_key=pub_key |
| ) |
| |
| # store rw_mgmt_ip in deploy params for later substitution |
| self.logger.debug('rw_mgmt_ip={}'.format(rw_mgmt_ip)) |
| deploy_params["rw_mgmt_ip"] = rw_mgmt_ip |
| |
| # n2vc_redesign STEP 6 Execute initial config primitive |
| initial_config_primitive_list = config_descriptor.get('initial-config-primitive', []) |
| step = 'execute initial config primitive' |
| |
| # sort initial config primitives by 'seq' |
| try: |
| initial_config_primitive_list.sort(key=lambda val: int(val['seq'])) |
| except Exception: |
| self.logger.warn(logging_text + 'Cannot sort by "seq" field' + step) |
| |
| for initial_config_primitive in initial_config_primitive_list: |
| # TODO check if already done |
| primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, deploy_params) |
| step = "execute primitive '{}' params '{}'".format(initial_config_primitive["name"], primitive_params_) |
| self.logger.debug(logging_text + step) |
| await self.n2vc.exec_primitive( |
| ee_id=ee_id, |
| primitive_name=initial_config_primitive["name"], |
| params_dict=primitive_params_, |
| db_dict=db_dict |
| ) |
| # TODO register in database that primitive is done |
| |
| step = "instantiated at VCA" |
| self.logger.debug(logging_text + step) |
| |
| except Exception as e: # TODO not use Exception but N2VC exception |
| raise Exception("{} {}".format(step, e)) from e |
| # TODO raise N2VC exception with 'step' extra information |
| |
| async def instantiate(self, nsr_id, nslcmop_id): |
| """ |
| |
| :param nsr_id: ns instance to deploy |
| :param nslcmop_id: operation to run |
| :return: |
| """ |
| |
| # Try to lock HA task here |
| task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id) |
| if not task_is_locked_by_me: |
| self.logger.debug('instantiate() task is not locked by me') |
| return |
| |
| logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id) |
| self.logger.debug(logging_text + "Enter") |
| |
| # get all needed from database |
| |
| # database nsrs record |
| db_nsr = None |
| |
| # database nslcmops record |
| db_nslcmop = None |
| |
| # update operation on nsrs |
| db_nsr_update = {"_admin.nslcmop": nslcmop_id, |
| "_admin.current-operation": nslcmop_id, |
| "_admin.operation-type": "instantiate"} |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| # update operation on nslcmops |
| db_nslcmop_update = {} |
| |
| nslcmop_operation_state = None |
| db_vnfrs = {} # vnf's info indexed by member-index |
| # n2vc_info = {} |
| # n2vc_key_list = [] # list of public keys to be injected as authorized to VMs |
| task_instantiation_list = [] |
| exc = None |
| try: |
| # wait for any previous tasks in process |
| step = "Waiting for previous tasks" |
| self.logger.debug(logging_text + step) |
| await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id) |
| |
| # STEP 0: Reading database (nslcmops, nsrs, nsds, vnfrs, vnfds) |
| |
| # read from db: operation |
| step = "Getting nslcmop={} from db".format(nslcmop_id) |
| db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| |
| # read from db: ns |
| step = "Getting nsr={} from db".format(nsr_id) |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| # nsd is replicated into ns (no db read) |
| nsd = db_nsr["nsd"] |
| # nsr_name = db_nsr["name"] # TODO short-name?? |
| |
| # read from db: vnf's of this ns |
| step = "Getting vnfrs from db" |
| self.logger.debug(logging_text + step) |
| db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) |
| |
| # read from db: vnfd's for every vnf |
| db_vnfds_ref = {} # every vnfd data indexed by vnf name |
| db_vnfds = {} # every vnfd data indexed by vnf id |
| db_vnfds_index = {} # every vnfd data indexed by vnf member-index |
| |
| # for each vnf in ns, read vnfd |
| for vnfr in db_vnfrs_list: |
| db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr # vnf's dict indexed by member-index: '1', '2', etc |
| vnfd_id = vnfr["vnfd-id"] # vnfd uuid for this vnf |
| vnfd_ref = vnfr["vnfd-ref"] # vnfd name for this vnf |
| # if we haven't this vnfd, read it from db |
| if vnfd_id not in db_vnfds: |
| # read from cb |
| step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref) |
| self.logger.debug(logging_text + step) |
| vnfd = self.db.get_one("vnfds", {"_id": vnfd_id}) |
| |
| # store vnfd |
| db_vnfds_ref[vnfd_ref] = vnfd # vnfd's indexed by name |
| db_vnfds[vnfd_id] = vnfd # vnfd's indexed by id |
| db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id] # vnfd's indexed by member-index |
| |
| # Get or generates the _admin.deployed.VCA list |
| vca_deployed_list = None |
| if db_nsr["_admin"].get("deployed"): |
| vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA") |
| if vca_deployed_list is None: |
| vca_deployed_list = [] |
| db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list |
| # add _admin.deployed.VCA to db_nsr dictionary, value=vca_deployed_list |
| populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list) |
| elif isinstance(vca_deployed_list, dict): |
| # maintain backward compatibility. Change a dict to list at database |
| vca_deployed_list = list(vca_deployed_list.values()) |
| db_nsr_update["_admin.deployed.VCA"] = vca_deployed_list |
| populate_dict(db_nsr, ("_admin", "deployed", "VCA"), vca_deployed_list) |
| |
| db_nsr_update["detailed-status"] = "creating" |
| db_nsr_update["operational-status"] = "init" |
| |
| if not isinstance(deep_get(db_nsr, ("_admin", "deployed", "RO", "vnfd")), list): |
| populate_dict(db_nsr, ("_admin", "deployed", "RO", "vnfd"), []) |
| db_nsr_update["_admin.deployed.RO.vnfd"] = [] |
| |
| # set state to INSTANTIATED. When instantiated NBI will not delete directly |
| db_nsr_update["_admin.nsState"] = "INSTANTIATED" |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self.logger.debug(logging_text + "Before deploy_kdus") |
| db_k8scluster_list = self.db.get_list("k8sclusters", {}) |
| # Call to deploy_kdus in case exists the "vdu:kdu" param |
| task_kdu = asyncio.ensure_future( |
| self.deploy_kdus( |
| logging_text=logging_text, |
| nsr_id=nsr_id, |
| nsd=nsd, |
| db_nsr=db_nsr, |
| db_nslcmop=db_nslcmop, |
| db_vnfrs=db_vnfrs, |
| db_vnfds_ref=db_vnfds_ref, |
| db_k8scluster=db_k8scluster_list |
| ) |
| ) |
| self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_KDUs", task_kdu) |
| task_instantiation_list.append(task_kdu) |
| # n2vc_redesign STEP 1 Get VCA public ssh-key |
| # feature 1429. Add n2vc public key to needed VMs |
| n2vc_key = await self.n2vc.get_public_key() |
| |
| # n2vc_redesign STEP 2 Deploy Network Scenario |
| task_ro = asyncio.ensure_future( |
| self.instantiate_RO( |
| logging_text=logging_text, |
| nsr_id=nsr_id, |
| nsd=nsd, |
| db_nsr=db_nsr, |
| db_nslcmop=db_nslcmop, |
| db_vnfrs=db_vnfrs, |
| db_vnfds_ref=db_vnfds_ref, |
| n2vc_key_list=[n2vc_key] |
| ) |
| ) |
| self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_RO", task_ro) |
| task_instantiation_list.append(task_ro) |
| |
| # n2vc_redesign STEP 3 to 6 Deploy N2VC |
| step = "Looking for needed vnfd to configure with proxy charm" |
| self.logger.debug(logging_text + step) |
| |
| nsi_id = None # TODO put nsi_id when this nsr belongs to a NSI |
| # get_iterable() returns a value from a dict or empty tuple if key does not exist |
| for c_vnf in get_iterable(nsd, "constituent-vnfd"): |
| vnfd_id = c_vnf["vnfd-id-ref"] |
| vnfd = db_vnfds_ref[vnfd_id] |
| member_vnf_index = str(c_vnf["member-vnf-index"]) |
| db_vnfr = db_vnfrs[member_vnf_index] |
| base_folder = vnfd["_admin"]["storage"] |
| vdu_id = None |
| vdu_index = 0 |
| vdu_name = None |
| kdu_name = None |
| |
| # Get additional parameters |
| deploy_params = {} |
| if db_vnfr.get("additionalParamsForVnf"): |
| deploy_params = db_vnfr["additionalParamsForVnf"].copy() |
| for k, v in deploy_params.items(): |
| if isinstance(v, str) and v.startswith("!!yaml "): |
| deploy_params[k] = yaml.safe_load(v[7:]) |
| |
| descriptor_config = vnfd.get("vnf-configuration") |
| if descriptor_config and descriptor_config.get("juju"): |
| self._deploy_n2vc( |
| logging_text=logging_text, |
| db_nsr=db_nsr, |
| db_vnfr=db_vnfr, |
| nslcmop_id=nslcmop_id, |
| nsr_id=nsr_id, |
| nsi_id=nsi_id, |
| vnfd_id=vnfd_id, |
| vdu_id=vdu_id, |
| kdu_name=kdu_name, |
| member_vnf_index=member_vnf_index, |
| vdu_index=vdu_index, |
| vdu_name=vdu_name, |
| deploy_params=deploy_params, |
| descriptor_config=descriptor_config, |
| base_folder=base_folder, |
| task_instantiation_list=task_instantiation_list |
| ) |
| |
| # Deploy charms for each VDU that supports one. |
| for vdud in get_iterable(vnfd, 'vdu'): |
| vdu_id = vdud["id"] |
| descriptor_config = vdud.get('vdu-configuration') |
| if descriptor_config and descriptor_config.get("juju"): |
| # look for vdu index in the db_vnfr["vdu"] section |
| # for vdur_index, vdur in enumerate(db_vnfr["vdur"]): |
| # if vdur["vdu-id-ref"] == vdu_id: |
| # break |
| # else: |
| # raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for " |
| # "member_vnf_index={}".format(vdu_id, member_vnf_index)) |
| # vdu_name = vdur.get("name") |
| vdu_name = None |
| kdu_name = None |
| for vdu_index in range(int(vdud.get("count", 1))): |
| # TODO vnfr_params["rw_mgmt_ip"] = vdur["ip-address"] |
| self._deploy_n2vc( |
| logging_text=logging_text, |
| db_nsr=db_nsr, |
| db_vnfr=db_vnfr, |
| nslcmop_id=nslcmop_id, |
| nsr_id=nsr_id, |
| nsi_id=nsi_id, |
| vnfd_id=vnfd_id, |
| vdu_id=vdu_id, |
| kdu_name=kdu_name, |
| member_vnf_index=member_vnf_index, |
| vdu_index=vdu_index, |
| vdu_name=vdu_name, |
| deploy_params=deploy_params, |
| descriptor_config=descriptor_config, |
| base_folder=base_folder, |
| task_instantiation_list=task_instantiation_list |
| ) |
| for kdud in get_iterable(vnfd, 'kdu'): |
| kdu_name = kdud["name"] |
| descriptor_config = kdud.get('kdu-configuration') |
| if descriptor_config and descriptor_config.get("juju"): |
| vdu_id = None |
| vdu_index = 0 |
| vdu_name = None |
| # look for vdu index in the db_vnfr["vdu"] section |
| # for vdur_index, vdur in enumerate(db_vnfr["vdur"]): |
| # if vdur["vdu-id-ref"] == vdu_id: |
| # break |
| # else: |
| # raise LcmException("Mismatch vdu_id={} not found in the vnfr['vdur'] list for " |
| # "member_vnf_index={}".format(vdu_id, member_vnf_index)) |
| # vdu_name = vdur.get("name") |
| # vdu_name = None |
| |
| self._deploy_n2vc( |
| logging_text=logging_text, |
| db_nsr=db_nsr, |
| db_vnfr=db_vnfr, |
| nslcmop_id=nslcmop_id, |
| nsr_id=nsr_id, |
| nsi_id=nsi_id, |
| vnfd_id=vnfd_id, |
| vdu_id=vdu_id, |
| kdu_name=kdu_name, |
| member_vnf_index=member_vnf_index, |
| vdu_index=vdu_index, |
| vdu_name=vdu_name, |
| deploy_params=deploy_params, |
| descriptor_config=descriptor_config, |
| base_folder=base_folder, |
| task_instantiation_list=task_instantiation_list |
| ) |
| |
| # Check if this NS has a charm configuration |
| descriptor_config = nsd.get("ns-configuration") |
| if descriptor_config and descriptor_config.get("juju"): |
| vnfd_id = None |
| db_vnfr = None |
| member_vnf_index = None |
| vdu_id = None |
| kdu_name = None |
| vdu_index = 0 |
| vdu_name = None |
| # Get additional parameters |
| deploy_params = {} |
| if db_nsr.get("additionalParamsForNs"): |
| deploy_params = db_nsr["additionalParamsForNs"].copy() |
| for k, v in deploy_params.items(): |
| if isinstance(v, str) and v.startswith("!!yaml "): |
| deploy_params[k] = yaml.safe_load(v[7:]) |
| base_folder = nsd["_admin"]["storage"] |
| self._deploy_n2vc( |
| logging_text=logging_text, |
| db_nsr=db_nsr, |
| db_vnfr=db_vnfr, |
| nslcmop_id=nslcmop_id, |
| nsr_id=nsr_id, |
| nsi_id=nsi_id, |
| vnfd_id=vnfd_id, |
| vdu_id=vdu_id, |
| kdu_name=kdu_name, |
| member_vnf_index=member_vnf_index, |
| vdu_index=vdu_index, |
| vdu_name=vdu_name, |
| deploy_params=deploy_params, |
| descriptor_config=descriptor_config, |
| base_folder=base_folder, |
| task_instantiation_list=task_instantiation_list |
| ) |
| |
| # Wait until all tasks of "task_instantiation_list" have been finished |
| |
| # while time() <= start_deploy + self.total_deploy_timeout: |
| error_text = None |
| timeout = 3600 # time() - start_deploy |
| task_instantiation_set = set(task_instantiation_list) # build a set with tasks |
| done = None |
| pending = None |
| if len(task_instantiation_set) > 0: |
| done, pending = await asyncio.wait(task_instantiation_set, timeout=timeout) |
| if pending: |
| error_text = "timeout" |
| for task in done: |
| if task.cancelled(): |
| if not error_text: |
| error_text = "cancelled" |
| elif task.done(): |
| exc = task.exception() |
| if exc: |
| error_text = str(exc) |
| |
| if error_text: |
| db_nsr_update["config-status"] = "failed" |
| error_text = "fail configuring " + error_text |
| db_nsr_update["detailed-status"] = error_text |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED_TEMP" |
| db_nslcmop_update["detailed-status"] = error_text |
| db_nslcmop_update["statusEnteredTime"] = time() |
| else: |
| # all is done |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| db_nslcmop_update["detailed-status"] = "done" |
| db_nsr_update["config-status"] = "configured" |
| db_nsr_update["detailed-status"] = "done" |
| |
| except (ROclient.ROClientException, DbException, LcmException) as e: |
| self.logger.error(logging_text + "Exit Exception while '{}': {}".format(step, e)) |
| exc = e |
| except asyncio.CancelledError: |
| self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step)) |
| exc = "Operation was cancelled" |
| except Exception as e: |
| exc = traceback.format_exc() |
| self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e), |
| exc_info=True) |
| finally: |
| if exc: |
| if db_nsr: |
| db_nsr_update["detailed-status"] = "ERROR {}: {}".format(step, exc) |
| db_nsr_update["operational-status"] = "failed" |
| if db_nslcmop: |
| db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc) |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| try: |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = None |
| db_nsr_update["_admin.current-operation"] = None |
| db_nsr_update["_admin.operation-type"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| if db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| except DbException as e: |
| self.logger.error(logging_text + "Cannot update database: {}".format(e)) |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state}, |
| loop=self.loop) |
| except Exception as e: |
| self.logger.error(logging_text + "kafka_write notification Exception {}".format(e)) |
| |
| self.logger.debug(logging_text + "Exit") |
| self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_instantiate") |
| |
| async def deploy_kdus(self, logging_text, nsr_id, nsd, db_nsr, db_nslcmop, db_vnfrs, db_vnfds_ref, db_k8scluster): |
| # Launch kdus if present in the descriptor |
| logging_text = "Deploy kdus: " |
| db_nsr_update = {} |
| db_nsr_update["_admin.deployed.K8s"] = [] |
| try: |
| # Look for all vnfds |
| # db_nsr_update["_admin.deployed.K8s"] = [] |
| vnf_update = [] |
| task_list = [] |
| for c_vnf in nsd.get("constituent-vnfd", ()): |
| vnfr = db_vnfrs[c_vnf["member-vnf-index"]] |
| member_vnf_index = c_vnf["member-vnf-index"] |
| vnfd = db_vnfds_ref[c_vnf['vnfd-id-ref']] |
| vnfd_ref = vnfd["id"] |
| desc_params = {} |
| |
| step = "Checking kdu from vnf: {} - member-vnf-index: {}".format(vnfd_ref, member_vnf_index) |
| self.logger.debug(logging_text + step) |
| if vnfd.get("kdu"): |
| step = "vnf: {} has kdus".format(vnfd_ref) |
| self.logger.debug(logging_text + step) |
| for vnfr_name, vnfr_data in db_vnfrs.items(): |
| if vnfr_data["vnfd-ref"] == vnfd["id"]: |
| if vnfr_data.get("additionalParamsForVnf"): |
| desc_params = self._format_additional_params(vnfr_data["additionalParamsForVnf"]) |
| break |
| else: |
| raise LcmException("VNF descriptor not found with id: {}".format(vnfr_data["vnfd-ref"])) |
| self.logger.debug(logging_text + step) |
| |
| for kdur in vnfr.get("kdur"): |
| index = 0 |
| for k8scluster in db_k8scluster: |
| if kdur["k8s-cluster"]["id"] == k8scluster["_id"]: |
| cluster_uuid = k8scluster["cluster-uuid"] |
| break |
| else: |
| raise LcmException("K8scluster not found with id: {}".format(kdur["k8s-cluster"]["id"])) |
| self.logger.debug(logging_text + step) |
| |
| step = "Instantiate KDU {} in k8s cluster {}".format(kdur["kdu-name"], cluster_uuid) |
| self.logger.debug(logging_text + step) |
| for kdu in vnfd.get("kdu"): |
| if kdu.get("name") == kdur["kdu-name"]: |
| break |
| else: |
| raise LcmException("KDU not found with name: {} in VNFD {}".format(kdur["kdu-name"], |
| vnfd["name"])) |
| self.logger.debug(logging_text + step) |
| kdumodel = None |
| k8sclustertype = None |
| if kdu.get("helm-chart"): |
| kdumodel = kdu["helm-chart"] |
| k8sclustertype = "chart" |
| elif kdu.get("juju-bundle"): |
| kdumodel = kdu["juju-bundle"] |
| k8sclustertype = "juju" |
| k8s_instace_info = {"kdu-instance": None, "k8scluster-uuid": cluster_uuid, |
| "vnfr-id": vnfr["id"], "k8scluster-type": k8sclustertype, |
| "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel} |
| db_nsr_update["_admin.deployed.K8s"].append(k8s_instace_info) |
| db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, "path": "_admin.deployed.K8s." |
| "{}".format(index)} |
| if k8sclustertype == "chart": |
| task = self.k8sclusterhelm.install(cluster_uuid=cluster_uuid, |
| kdu_model=kdumodel, atomic=True, params=desc_params, |
| db_dict=db_dict, timeout=300) |
| else: |
| # TODO I need the juju connector in place |
| pass |
| task_list.append(task) |
| index += 1 |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| done = None |
| pending = None |
| if len(task_list) > 0: |
| self.logger.debug('Waiting for terminate pending tasks...') |
| done, pending = await asyncio.wait(task_list, timeout=3600) |
| if not pending: |
| for fut in done: |
| k8s_instance = fut.result() |
| k8s_instace_info = {"kdu-instance": k8s_instance, "k8scluster-uuid": cluster_uuid, |
| "vnfr-id": vnfr["id"], "k8scluster-type": k8sclustertype, |
| "kdu-name": kdur["kdu-name"], "kdu-model": kdumodel} |
| vnf_update.append(k8s_instace_info) |
| self.logger.debug('All tasks finished...') |
| else: |
| self.logger.info('There are pending tasks: {}'.format(pending)) |
| |
| db_nsr_update["_admin.deployed.K8s"] = vnf_update |
| except Exception as e: |
| self.logger.critical(logging_text + "Exit Exception {} while '{}': {}".format(type(e).__name__, step, e)) |
| raise LcmException("{} Exit Exception {} while '{}': {}".format(logging_text, type(e).__name__, step, e)) |
| finally: |
| # TODO Write in data base |
| if db_nsr_update: |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| def _deploy_n2vc(self, logging_text, db_nsr, db_vnfr, nslcmop_id, nsr_id, nsi_id, vnfd_id, vdu_id, |
| kdu_name, member_vnf_index, vdu_index, vdu_name, deploy_params, descriptor_config, |
| base_folder, task_instantiation_list): |
| # launch instantiate_N2VC in a asyncio task and register task object |
| # Look where information of this charm is at database <nsrs>._admin.deployed.VCA |
| # if not found, create one entry and update database |
| |
| # fill db_nsr._admin.deployed.VCA.<index> |
| vca_index = -1 |
| for vca_index, vca_deployed in enumerate(db_nsr["_admin"]["deployed"]["VCA"]): |
| if not vca_deployed: |
| continue |
| if vca_deployed.get("member-vnf-index") == member_vnf_index and \ |
| vca_deployed.get("vdu_id") == vdu_id and \ |
| vca_deployed.get("kdu_name") == kdu_name and \ |
| vca_deployed.get("vdu_count_index", 0) == vdu_index: |
| break |
| else: |
| # not found, create one. |
| vca_deployed = { |
| "member-vnf-index": member_vnf_index, |
| "vdu_id": vdu_id, |
| "kdu_name": kdu_name, |
| "vdu_count_index": vdu_index, |
| "operational-status": "init", # TODO revise |
| "detailed-status": "", # TODO revise |
| "step": "initial-deploy", # TODO revise |
| "vnfd_id": vnfd_id, |
| "vdu_name": vdu_name, |
| } |
| vca_index += 1 |
| self.update_db_2("nsrs", nsr_id, {"_admin.deployed.VCA.{}".format(vca_index): vca_deployed}) |
| db_nsr["_admin"]["deployed"]["VCA"].append(vca_deployed) |
| |
| # Launch task |
| task_n2vc = asyncio.ensure_future( |
| self.instantiate_N2VC( |
| logging_text=logging_text, |
| vca_index=vca_index, |
| nsi_id=nsi_id, |
| db_nsr=db_nsr, |
| db_vnfr=db_vnfr, |
| vdu_id=vdu_id, |
| kdu_name=kdu_name, |
| vdu_index=vdu_index, |
| deploy_params=deploy_params, |
| config_descriptor=descriptor_config, |
| base_folder=base_folder, |
| ) |
| ) |
| self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "instantiate_N2VC-{}".format(vca_index), task_n2vc) |
| task_instantiation_list.append(task_n2vc) |
| |
| # Check if this VNFD has a configured terminate action |
| def _has_terminate_config_primitive(self, vnfd): |
| vnf_config = vnfd.get("vnf-configuration") |
| if vnf_config and vnf_config.get("terminate-config-primitive"): |
| return True |
| else: |
| return False |
| |
| @staticmethod |
| def _get_terminate_config_primitive_seq_list(vnfd): |
| """ Get a numerically sorted list of the sequences for this VNFD's terminate action """ |
| # No need to check for existing primitive twice, already done before |
| vnf_config = vnfd.get("vnf-configuration") |
| seq_list = vnf_config.get("terminate-config-primitive") |
| # Get all 'seq' tags in seq_list, order sequences numerically, ascending. |
| seq_list_sorted = sorted(seq_list, key=lambda x: int(x['seq'])) |
| return seq_list_sorted |
| |
| @staticmethod |
| def _create_nslcmop(nsr_id, operation, params): |
| """ |
| Creates a ns-lcm-opp content to be stored at database. |
| :param nsr_id: internal id of the instance |
| :param operation: instantiate, terminate, scale, action, ... |
| :param params: user parameters for the operation |
| :return: dictionary following SOL005 format |
| """ |
| # Raise exception if invalid arguments |
| if not (nsr_id and operation and params): |
| raise LcmException( |
| "Parameters 'nsr_id', 'operation' and 'params' needed to create primitive not provided") |
| now = time() |
| _id = str(uuid4()) |
| nslcmop = { |
| "id": _id, |
| "_id": _id, |
| # COMPLETED,PARTIALLY_COMPLETED,FAILED_TEMP,FAILED,ROLLING_BACK,ROLLED_BACK |
| "operationState": "PROCESSING", |
| "statusEnteredTime": now, |
| "nsInstanceId": nsr_id, |
| "lcmOperationType": operation, |
| "startTime": now, |
| "isAutomaticInvocation": False, |
| "operationParams": params, |
| "isCancelPending": False, |
| "links": { |
| "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id, |
| "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id, |
| } |
| } |
| return nslcmop |
| |
| def _format_additional_params(self, params): |
| |
| for key, value in params.items(): |
| if str(value).startswith("!!yaml "): |
| params[key] = yaml.safe_load(value[7:]) |
| |
| return params |
| |
| def _get_terminate_primitive_params(self, seq, vnf_index): |
| primitive = seq.get('name') |
| primitive_params = {} |
| params = { |
| "member_vnf_index": vnf_index, |
| "primitive": primitive, |
| "primitive_params": primitive_params, |
| } |
| desc_params = {} |
| return self._map_primitive_params(seq, params, desc_params) |
| |
| # sub-operations |
| |
| def _reintent_or_skip_suboperation(self, db_nslcmop, op_index): |
| op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index] |
| if (op.get('operationState') == 'COMPLETED'): |
| # b. Skip sub-operation |
| # _ns_execute_primitive() or RO.create_action() will NOT be executed |
| return self.SUBOPERATION_STATUS_SKIP |
| else: |
| # c. Reintent executing sub-operation |
| # The sub-operation exists, and operationState != 'COMPLETED' |
| # Update operationState = 'PROCESSING' to indicate a reintent. |
| operationState = 'PROCESSING' |
| detailed_status = 'In progress' |
| self._update_suboperation_status( |
| db_nslcmop, op_index, operationState, detailed_status) |
| # Return the sub-operation index |
| # _ns_execute_primitive() or RO.create_action() will be called from scale() |
| # with arguments extracted from the sub-operation |
| return op_index |
| |
| # Find a sub-operation where all keys in a matching dictionary must match |
| # Returns the index of the matching sub-operation, or SUBOPERATION_STATUS_NOT_FOUND if no match |
| def _find_suboperation(self, db_nslcmop, match): |
| if (db_nslcmop and match): |
| op_list = db_nslcmop.get('_admin', {}).get('operations', []) |
| for i, op in enumerate(op_list): |
| if all(op.get(k) == match[k] for k in match): |
| return i |
| return self.SUBOPERATION_STATUS_NOT_FOUND |
| |
| # Update status for a sub-operation given its index |
| def _update_suboperation_status(self, db_nslcmop, op_index, operationState, detailed_status): |
| # Update DB for HA tasks |
| q_filter = {'_id': db_nslcmop['_id']} |
| update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState, |
| '_admin.operations.{}.detailed-status'.format(op_index): detailed_status} |
| self.db.set_one("nslcmops", |
| q_filter=q_filter, |
| update_dict=update_dict, |
| fail_on_empty=False) |
| |
| # Add sub-operation, return the index of the added sub-operation |
| # Optionally, set operationState, detailed-status, and operationType |
| # Status and type are currently set for 'scale' sub-operations: |
| # 'operationState' : 'PROCESSING' | 'COMPLETED' | 'FAILED' |
| # 'detailed-status' : status message |
| # 'operationType': may be any type, in the case of scaling: 'PRE-SCALE' | 'POST-SCALE' |
| # Status and operation type are currently only used for 'scale', but NOT for 'terminate' sub-operations. |
| def _add_suboperation(self, db_nslcmop, vnf_index, vdu_id, vdu_count_index, vdu_name, primitive, |
| mapped_primitive_params, operationState=None, detailed_status=None, operationType=None, |
| RO_nsr_id=None, RO_scaling_info=None): |
| if not (db_nslcmop): |
| return self.SUBOPERATION_STATUS_NOT_FOUND |
| # Get the "_admin.operations" list, if it exists |
| db_nslcmop_admin = db_nslcmop.get('_admin', {}) |
| op_list = db_nslcmop_admin.get('operations') |
| # Create or append to the "_admin.operations" list |
| new_op = {'member_vnf_index': vnf_index, |
| 'vdu_id': vdu_id, |
| 'vdu_count_index': vdu_count_index, |
| 'primitive': primitive, |
| 'primitive_params': mapped_primitive_params} |
| if operationState: |
| new_op['operationState'] = operationState |
| if detailed_status: |
| new_op['detailed-status'] = detailed_status |
| if operationType: |
| new_op['lcmOperationType'] = operationType |
| if RO_nsr_id: |
| new_op['RO_nsr_id'] = RO_nsr_id |
| if RO_scaling_info: |
| new_op['RO_scaling_info'] = RO_scaling_info |
| if not op_list: |
| # No existing operations, create key 'operations' with current operation as first list element |
| db_nslcmop_admin.update({'operations': [new_op]}) |
| op_list = db_nslcmop_admin.get('operations') |
| else: |
| # Existing operations, append operation to list |
| op_list.append(new_op) |
| |
| db_nslcmop_update = {'_admin.operations': op_list} |
| self.update_db_2("nslcmops", db_nslcmop['_id'], db_nslcmop_update) |
| op_index = len(op_list) - 1 |
| return op_index |
| |
| # Helper methods for scale() sub-operations |
| |
| # pre-scale/post-scale: |
| # Check for 3 different cases: |
| # a. New: First time execution, return SUBOPERATION_STATUS_NEW |
| # b. Skip: Existing sub-operation exists, operationState == 'COMPLETED', return SUBOPERATION_STATUS_SKIP |
| # c. Reintent: Existing sub-operation exists, operationState != 'COMPLETED', return op_index to re-execute |
| def _check_or_add_scale_suboperation(self, db_nslcmop, vnf_index, vnf_config_primitive, primitive_params, |
| operationType, RO_nsr_id=None, RO_scaling_info=None): |
| # Find this sub-operation |
| if (RO_nsr_id and RO_scaling_info): |
| operationType = 'SCALE-RO' |
| match = { |
| 'member_vnf_index': vnf_index, |
| 'RO_nsr_id': RO_nsr_id, |
| 'RO_scaling_info': RO_scaling_info, |
| } |
| else: |
| match = { |
| 'member_vnf_index': vnf_index, |
| 'primitive': vnf_config_primitive, |
| 'primitive_params': primitive_params, |
| 'lcmOperationType': operationType |
| } |
| op_index = self._find_suboperation(db_nslcmop, match) |
| if (op_index == self.SUBOPERATION_STATUS_NOT_FOUND): |
| # a. New sub-operation |
| # The sub-operation does not exist, add it. |
| # _ns_execute_primitive() will be called from scale() as usual, with non-modified arguments |
| # The following parameters are set to None for all kind of scaling: |
| vdu_id = None |
| vdu_count_index = None |
| vdu_name = None |
| if (RO_nsr_id and RO_scaling_info): |
| vnf_config_primitive = None |
| primitive_params = None |
| else: |
| RO_nsr_id = None |
| RO_scaling_info = None |
| # Initial status for sub-operation |
| operationState = 'PROCESSING' |
| detailed_status = 'In progress' |
| # Add sub-operation for pre/post-scaling (zero or more operations) |
| self._add_suboperation(db_nslcmop, |
| vnf_index, |
| vdu_id, |
| vdu_count_index, |
| vdu_name, |
| vnf_config_primitive, |
| primitive_params, |
| operationState, |
| detailed_status, |
| operationType, |
| RO_nsr_id, |
| RO_scaling_info) |
| return self.SUBOPERATION_STATUS_NEW |
| else: |
| # Return either SUBOPERATION_STATUS_SKIP (operationState == 'COMPLETED'), |
| # or op_index (operationState != 'COMPLETED') |
| return self._reintent_or_skip_suboperation(db_nslcmop, op_index) |
| |
| # Helper methods for terminate() |
| |
| async def _terminate_action(self, db_nslcmop, nslcmop_id, nsr_id): |
| """ Create a primitive with params from VNFD |
| Called from terminate() before deleting instance |
| Calls action() to execute the primitive """ |
| logging_text = "Task ns={} _terminate_action={} ".format(nsr_id, nslcmop_id) |
| db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) |
| db_vnfds = {} |
| # Loop over VNFRs |
| for vnfr in db_vnfrs_list: |
| vnfd_id = vnfr["vnfd-id"] |
| vnf_index = vnfr["member-vnf-index-ref"] |
| if vnfd_id not in db_vnfds: |
| step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_id) |
| vnfd = self.db.get_one("vnfds", {"_id": vnfd_id}) |
| db_vnfds[vnfd_id] = vnfd |
| vnfd = db_vnfds[vnfd_id] |
| if not self._has_terminate_config_primitive(vnfd): |
| continue |
| # Get the primitive's sorted sequence list |
| seq_list = self._get_terminate_config_primitive_seq_list(vnfd) |
| for seq in seq_list: |
| # For each sequence in list, get primitive and call _ns_execute_primitive() |
| step = "Calling terminate action for vnf_member_index={} primitive={}".format( |
| vnf_index, seq.get("name")) |
| self.logger.debug(logging_text + step) |
| # Create the primitive for each sequence, i.e. "primitive": "touch" |
| primitive = seq.get('name') |
| mapped_primitive_params = self._get_terminate_primitive_params(seq, vnf_index) |
| # The following 3 parameters are currently set to None for 'terminate': |
| # vdu_id, vdu_count_index, vdu_name |
| vdu_id = db_nslcmop["operationParams"].get("vdu_id") |
| vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index") |
| vdu_name = db_nslcmop["operationParams"].get("vdu_name") |
| # Add sub-operation |
| self._add_suboperation(db_nslcmop, |
| nslcmop_id, |
| vnf_index, |
| vdu_id, |
| vdu_count_index, |
| vdu_name, |
| primitive, |
| mapped_primitive_params) |
| # Sub-operations: Call _ns_execute_primitive() instead of action() |
| # db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| # nsr_deployed = db_nsr["_admin"]["deployed"] |
| |
| # nslcmop_operation_state, nslcmop_operation_state_detail = await self.action( |
| # nsr_id, nslcmop_terminate_action_id) |
| # Launch Exception if action() returns other than ['COMPLETED', 'PARTIALLY_COMPLETED'] |
| # result_ok = ['COMPLETED', 'PARTIALLY_COMPLETED'] |
| # if result not in result_ok: |
| # raise LcmException( |
| # "terminate_primitive_action for vnf_member_index={}", |
| # " primitive={} fails with error {}".format( |
| # vnf_index, seq.get("name"), result_detail)) |
| |
| # TODO: find ee_id |
| ee_id = None |
| try: |
| await self.n2vc.exec_primitive( |
| ee_id=ee_id, |
| primitive_name=primitive, |
| params_dict=mapped_primitive_params |
| ) |
| except Exception as e: |
| self.logger.error('Error executing primitive {}: {}'.format(primitive, e)) |
| raise LcmException( |
| "terminate_primitive_action for vnf_member_index={}, primitive={} fails with error {}" |
| .format(vnf_index, seq.get("name"), e), |
| ) |
| |
| async def terminate(self, nsr_id, nslcmop_id): |
| |
| # Try to lock HA task here |
| task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id) |
| if not task_is_locked_by_me: |
| return |
| |
| logging_text = "Task ns={} terminate={} ".format(nsr_id, nslcmop_id) |
| self.logger.debug(logging_text + "Enter") |
| db_nsr = None |
| db_nslcmop = None |
| exc = None |
| failed_detail = [] # annotates all failed error messages |
| db_nsr_update = {"_admin.nslcmop": nslcmop_id, |
| "_admin.current-operation": nslcmop_id, |
| "_admin.operation-type": "terminate"} |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| db_nslcmop_update = {} |
| nslcmop_operation_state = None |
| autoremove = False # autoremove after terminated |
| pending_tasks = [] |
| try: |
| # wait for any previous tasks in process |
| await self.lcm_tasks.waitfor_related_HA("ns", 'nslcmops', nslcmop_id) |
| |
| step = "Getting nslcmop={} from db".format(nslcmop_id) |
| db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| step = "Getting nsr={} from db".format(nsr_id) |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| # nsd = db_nsr["nsd"] |
| nsr_deployed = deepcopy(db_nsr["_admin"].get("deployed")) |
| if db_nsr["_admin"]["nsState"] == "NOT_INSTANTIATED": |
| return |
| # #TODO check if VIM is creating and wait |
| # RO_vim_id = db_vim["_admin"]["deployed"]["RO"] |
| # Call internal terminate action |
| await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id) |
| |
| pending_tasks = [] |
| |
| db_nsr_update["operational-status"] = "terminating" |
| db_nsr_update["config-status"] = "terminating" |
| |
| # remove NS |
| try: |
| step = "delete execution environment" |
| self.logger.debug(logging_text + step) |
| |
| task_delete_ee = asyncio.ensure_future(self.n2vc.delete_namespace(namespace="." + nsr_id)) |
| pending_tasks.append(task_delete_ee) |
| except Exception as e: |
| msg = "Failed while deleting NS in VCA: {}".format(e) |
| self.logger.error(msg) |
| failed_detail.append(msg) |
| |
| try: |
| # Delete from k8scluster |
| step = "delete kdus" |
| self.logger.debug(logging_text + step) |
| print(nsr_deployed) |
| if nsr_deployed: |
| for kdu in nsr_deployed.get("K8s"): |
| if kdu.get("k8scluster-type") == "chart": |
| task_delete_kdu_instance = asyncio.ensure_future(self.k8sclusterhelm.uninstall( |
| cluster_uuid=kdu.get("k8scluster-uuid"), kdu_instance=kdu.get("kdu-instance"))) |
| elif kdu.get("k8scluster-type") == "juju": |
| # TODO Juju connector needed |
| pass |
| else: |
| msg = "k8scluster-type not defined" |
| raise LcmException(msg) |
| |
| pending_tasks.append(task_delete_kdu_instance) |
| except LcmException as e: |
| msg = "Failed while deleting KDUs from NS: {}".format(e) |
| self.logger.error(msg) |
| failed_detail.append(msg) |
| |
| # remove from RO |
| RO_fail = False |
| |
| # Delete ns |
| RO_nsr_id = RO_delete_action = None |
| if nsr_deployed and nsr_deployed.get("RO"): |
| RO_nsr_id = nsr_deployed["RO"].get("nsr_id") |
| RO_delete_action = nsr_deployed["RO"].get("nsr_delete_action_id") |
| try: |
| if RO_nsr_id: |
| step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = \ |
| "Deleting ns from VIM" |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| self.logger.debug(logging_text + step) |
| desc = await self.RO.delete("ns", RO_nsr_id) |
| RO_delete_action = desc["action_id"] |
| db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = RO_delete_action |
| db_nsr_update["_admin.deployed.RO.nsr_id"] = None |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED" |
| if RO_delete_action: |
| # wait until NS is deleted from VIM |
| step = detailed_status = "Waiting ns deleted from VIM. RO_id={} RO_delete_action={}".\ |
| format(RO_nsr_id, RO_delete_action) |
| detailed_status_old = None |
| self.logger.debug(logging_text + step) |
| |
| delete_timeout = 20 * 60 # 20 minutes |
| while delete_timeout > 0: |
| desc = await self.RO.show( |
| "ns", |
| item_id_name=RO_nsr_id, |
| extra_item="action", |
| extra_item_id=RO_delete_action) |
| ns_status, ns_status_info = self.RO.check_action_status(desc) |
| if ns_status == "ERROR": |
| raise ROclient.ROClientException(ns_status_info) |
| elif ns_status == "BUILD": |
| detailed_status = step + "; {}".format(ns_status_info) |
| elif ns_status == "ACTIVE": |
| db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED" |
| break |
| else: |
| assert False, "ROclient.check_action_status returns unknown {}".format(ns_status) |
| if detailed_status != detailed_status_old: |
| detailed_status_old = db_nslcmop_update["detailed-status"] = \ |
| db_nsr_update["detailed-status"] = detailed_status |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| await asyncio.sleep(5, loop=self.loop) |
| delete_timeout -= 5 |
| else: # delete_timeout <= 0: |
| raise ROclient.ROClientException("Timeout waiting ns deleted from VIM") |
| |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| db_nsr_update["_admin.deployed.RO.nsr_id"] = None |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = "DELETED" |
| db_nsr_update["_admin.deployed.RO.nsr_delete_action_id"] = None |
| self.logger.debug(logging_text + "RO_ns_id={} already deleted".format(RO_nsr_id)) |
| elif e.http_code == 409: # conflict |
| failed_detail.append("RO_ns_id={} delete conflict: {}".format(RO_nsr_id, e)) |
| self.logger.debug(logging_text + failed_detail[-1]) |
| RO_fail = True |
| else: |
| failed_detail.append("RO_ns_id={} delete error: {}".format(RO_nsr_id, e)) |
| self.logger.error(logging_text + failed_detail[-1]) |
| RO_fail = True |
| |
| # Delete nsd |
| if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("nsd_id"): |
| RO_nsd_id = nsr_deployed["RO"]["nsd_id"] |
| try: |
| step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\ |
| "Deleting nsd from RO" |
| await self.RO.delete("nsd", RO_nsd_id) |
| self.logger.debug(logging_text + "RO_nsd_id={} deleted".format(RO_nsd_id)) |
| db_nsr_update["_admin.deployed.RO.nsd_id"] = None |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| db_nsr_update["_admin.deployed.RO.nsd_id"] = None |
| self.logger.debug(logging_text + "RO_nsd_id={} already deleted".format(RO_nsd_id)) |
| elif e.http_code == 409: # conflict |
| failed_detail.append("RO_nsd_id={} delete conflict: {}".format(RO_nsd_id, e)) |
| self.logger.debug(logging_text + failed_detail[-1]) |
| RO_fail = True |
| else: |
| failed_detail.append("RO_nsd_id={} delete error: {}".format(RO_nsd_id, e)) |
| self.logger.error(logging_text + failed_detail[-1]) |
| RO_fail = True |
| |
| if not RO_fail and nsr_deployed and nsr_deployed.get("RO") and nsr_deployed["RO"].get("vnfd"): |
| for index, vnf_deployed in enumerate(nsr_deployed["RO"]["vnfd"]): |
| if not vnf_deployed or not vnf_deployed["id"]: |
| continue |
| try: |
| RO_vnfd_id = vnf_deployed["id"] |
| step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\ |
| "Deleting member_vnf_index={} RO_vnfd_id={} from RO".format( |
| vnf_deployed["member-vnf-index"], RO_vnfd_id) |
| await self.RO.delete("vnfd", RO_vnfd_id) |
| self.logger.debug(logging_text + "RO_vnfd_id={} deleted".format(RO_vnfd_id)) |
| db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| db_nsr_update["_admin.deployed.RO.vnfd.{}.id".format(index)] = None |
| self.logger.debug(logging_text + "RO_vnfd_id={} already deleted ".format(RO_vnfd_id)) |
| elif e.http_code == 409: # conflict |
| failed_detail.append("RO_vnfd_id={} delete conflict: {}".format(RO_vnfd_id, e)) |
| self.logger.debug(logging_text + failed_detail[-1]) |
| else: |
| failed_detail.append("RO_vnfd_id={} delete error: {}".format(RO_vnfd_id, e)) |
| self.logger.error(logging_text + failed_detail[-1]) |
| |
| if failed_detail: |
| self.logger.error(logging_text + " ;".join(failed_detail)) |
| db_nsr_update["operational-status"] = "failed" |
| db_nsr_update["detailed-status"] = "Deletion errors " + "; ".join(failed_detail) |
| db_nslcmop_update["detailed-status"] = "; ".join(failed_detail) |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| else: |
| db_nsr_update["operational-status"] = "terminated" |
| db_nsr_update["detailed-status"] = "Done" |
| db_nsr_update["_admin.nsState"] = "NOT_INSTANTIATED" |
| db_nslcmop_update["detailed-status"] = "Done" |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| if db_nslcmop["operationParams"].get("autoremove"): |
| autoremove = True |
| |
| except (ROclient.ROClientException, DbException, LcmException) as e: |
| self.logger.error(logging_text + "Exit Exception {}".format(e)) |
| exc = e |
| except asyncio.CancelledError: |
| self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step)) |
| exc = "Operation was cancelled" |
| except Exception as e: |
| exc = traceback.format_exc() |
| self.logger.critical(logging_text + "Exit Exception {}".format(e), exc_info=True) |
| finally: |
| if exc and db_nslcmop: |
| db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc) |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| try: |
| if db_nslcmop and db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = None |
| db_nsr_update["_admin.current-operation"] = None |
| db_nsr_update["_admin.operation-type"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| except DbException as e: |
| self.logger.error(logging_text + "Cannot update database: {}".format(e)) |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state, |
| "autoremove": autoremove}, |
| loop=self.loop) |
| except Exception as e: |
| self.logger.error(logging_text + "kafka_write notification Exception {}".format(e)) |
| |
| # wait for pending tasks |
| done = None |
| pending = None |
| if pending_tasks: |
| self.logger.debug(logging_text + 'Waiting for terminate pending tasks...') |
| done, pending = await asyncio.wait(pending_tasks, timeout=3600) |
| if not pending: |
| self.logger.debug(logging_text + 'All tasks finished...') |
| else: |
| self.logger.info(logging_text + 'There are pending tasks: {}'.format(pending)) |
| |
| self.logger.debug(logging_text + "Exit") |
| self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_terminate") |
| |
| @staticmethod |
| def _map_primitive_params(primitive_desc, params, instantiation_params): |
| """ |
| Generates the params to be provided to charm before executing primitive. If user does not provide a parameter, |
| The default-value is used. If it is between < > it look for a value at instantiation_params |
| :param primitive_desc: portion of VNFD/NSD that describes primitive |
| :param params: Params provided by user |
| :param instantiation_params: Instantiation params provided by user |
| :return: a dictionary with the calculated params |
| """ |
| calculated_params = {} |
| for parameter in primitive_desc.get("parameter", ()): |
| param_name = parameter["name"] |
| if param_name in params: |
| calculated_params[param_name] = params[param_name] |
| elif "default-value" in parameter or "value" in parameter: |
| if "value" in parameter: |
| calculated_params[param_name] = parameter["value"] |
| else: |
| calculated_params[param_name] = parameter["default-value"] |
| if isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("<") \ |
| and calculated_params[param_name].endswith(">"): |
| if calculated_params[param_name][1:-1] in instantiation_params: |
| calculated_params[param_name] = instantiation_params[calculated_params[param_name][1:-1]] |
| else: |
| raise LcmException("Parameter {} needed to execute primitive {} not provided". |
| format(calculated_params[param_name], primitive_desc["name"])) |
| else: |
| raise LcmException("Parameter {} needed to execute primitive {} not provided". |
| format(param_name, primitive_desc["name"])) |
| |
| if isinstance(calculated_params[param_name], (dict, list, tuple)): |
| calculated_params[param_name] = yaml.safe_dump(calculated_params[param_name], default_flow_style=True, |
| width=256) |
| elif isinstance(calculated_params[param_name], str) and calculated_params[param_name].startswith("!!yaml "): |
| calculated_params[param_name] = calculated_params[param_name][7:] |
| return calculated_params |
| |
| async def _ns_execute_primitive(self, db_deployed, member_vnf_index, vdu_id, vdu_name, vdu_count_index, |
| primitive, primitive_params, retries=0, retries_interval=30) -> (str, str): |
| |
| # find vca_deployed record for this action |
| try: |
| for vca_deployed in db_deployed["VCA"]: |
| if not vca_deployed: |
| continue |
| if member_vnf_index != vca_deployed["member-vnf-index"] or vdu_id != vca_deployed["vdu_id"]: |
| continue |
| if vdu_name and vdu_name != vca_deployed["vdu_name"]: |
| continue |
| if vdu_count_index and vdu_count_index != vca_deployed["vdu_count_index"]: |
| continue |
| break |
| else: |
| # vca_deployed not found |
| raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} is not " |
| "deployed".format(member_vnf_index, vdu_id, vdu_name, vdu_count_index)) |
| |
| # get ee_id |
| ee_id = vca_deployed.get("ee_id") |
| if not ee_id: |
| raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not " |
| "execution environment" |
| .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index)) |
| |
| if primitive == "config": |
| primitive_params = {"params": primitive_params} |
| |
| while retries >= 0: |
| try: |
| output = await self.n2vc.exec_primitive( |
| ee_id=ee_id, |
| primitive_name=primitive, |
| params_dict=primitive_params |
| ) |
| # execution was OK |
| break |
| except Exception as e: |
| retries -= 1 |
| if retries >= 0: |
| self.logger.debug('Error executing action {} on {} -> {}'.format(primitive, ee_id, e)) |
| # wait and retry |
| await asyncio.sleep(retries_interval, loop=self.loop) |
| else: |
| return 'Cannot execute action {} on {}: {}'.format(primitive, ee_id, e), 'FAIL' |
| |
| return output, 'OK' |
| |
| except Exception as e: |
| return 'Error executing action {}: {}'.format(primitive, e), 'FAIL' |
| |
| async def action(self, nsr_id, nslcmop_id): |
| |
| # Try to lock HA task here |
| task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id) |
| if not task_is_locked_by_me: |
| return |
| |
| logging_text = "Task ns={} action={} ".format(nsr_id, nslcmop_id) |
| self.logger.debug(logging_text + "Enter") |
| # get all needed from database |
| db_nsr = None |
| db_nslcmop = None |
| db_nsr_update = {"_admin.nslcmop": nslcmop_id, |
| "_admin.current-operation": nslcmop_id, |
| "_admin.operation-type": "action"} |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| db_nslcmop_update = {} |
| nslcmop_operation_state = None |
| nslcmop_operation_state_detail = None |
| exc = None |
| try: |
| # wait for any previous tasks in process |
| await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id) |
| |
| step = "Getting information from database" |
| db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| |
| nsr_deployed = db_nsr["_admin"].get("deployed") |
| vnf_index = db_nslcmop["operationParams"].get("member_vnf_index") |
| vdu_id = db_nslcmop["operationParams"].get("vdu_id") |
| kdu_name = db_nslcmop["operationParams"].get("kdu_name") |
| vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index") |
| vdu_name = db_nslcmop["operationParams"].get("vdu_name") |
| |
| if vnf_index: |
| step = "Getting vnfr from database" |
| db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id}) |
| step = "Getting vnfd from database" |
| db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]}) |
| else: |
| if db_nsr.get("nsd"): |
| db_nsd = db_nsr.get("nsd") # TODO this will be removed |
| else: |
| step = "Getting nsd from database" |
| db_nsd = self.db.get_one("nsds", {"_id": db_nsr["nsd-id"]}) |
| |
| # for backward compatibility |
| if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict): |
| nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values()) |
| db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"] |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| primitive = db_nslcmop["operationParams"]["primitive"] |
| primitive_params = db_nslcmop["operationParams"]["primitive_params"] |
| |
| # look for primitive |
| config_primitive_desc = None |
| if vdu_id: |
| for vdu in get_iterable(db_vnfd, "vdu"): |
| if vdu_id == vdu["id"]: |
| for config_primitive in vdu.get("vdu-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == primitive: |
| config_primitive_desc = config_primitive |
| break |
| elif kdu_name: |
| self.logger.debug(logging_text + "Checking actions in KDUs") |
| desc_params = {} |
| if vnf_index: |
| if db_vnfr.get("additionalParamsForVnf") and db_vnfr["additionalParamsForVnf"].\ |
| get("member-vnf-index") == vnf_index: |
| desc_params = self._format_additional_params(db_vnfr["additionalParamsForVnf"]. |
| get("additionalParams")) |
| if primitive_params: |
| desc_params.update(primitive_params) |
| # TODO Check if we will need something at vnf level |
| index = 0 |
| for kdu in get_iterable(nsr_deployed, "K8s"): |
| if kdu_name == kdu["kdu-name"]: |
| db_dict = {"collection": "nsrs", "filter": {"_id": nsr_id}, |
| "path": "_admin.deployed.K8s.{}".format(index)} |
| if primitive == "upgrade": |
| if desc_params.get("kdu_model"): |
| kdu_model = desc_params.get("kdu_model") |
| del desc_params["kdu_model"] |
| else: |
| kdu_model = kdu.get("kdu-model") |
| parts = kdu_model.split(sep=":") |
| if len(parts) == 2: |
| kdu_model = parts[0] |
| |
| if kdu.get("k8scluster-type") == "chart": |
| output = await self.k8sclusterhelm.upgrade(cluster_uuid=kdu.get("k8scluster-uuid"), |
| kdu_instance=kdu.get("kdu-instance"), |
| atomic=True, kdu_model=kdu_model, |
| params=desc_params, db_dict=db_dict, timeout=300) |
| elif kdu.get("k8scluster-type") == "juju": |
| # TODO Juju connector needed |
| pass |
| else: |
| msg = "k8scluster-type not defined" |
| raise LcmException(msg) |
| |
| self.logger.debug(logging_text + " Upgrade of kdu {} done".format(output)) |
| break |
| elif primitive == "rollback": |
| if kdu.get("k8scluster-type") == "chart": |
| output = await self.k8sclusterhelm.rollback(cluster_uuid=kdu.get("k8scluster-uuid"), |
| kdu_instance=kdu.get("kdu-instance"), |
| db_dict=db_dict) |
| elif kdu.get("k8scluster-type") == "juju": |
| # TODO Juju connector needed |
| pass |
| else: |
| msg = "k8scluster-type not defined" |
| raise LcmException(msg) |
| break |
| elif primitive == "status": |
| if kdu.get("k8scluster-type") == "chart": |
| output = await self.k8sclusterhelm.status_kdu(cluster_uuid=kdu.get("k8scluster-uuid"), |
| kdu_instance=kdu.get("kdu-instance")) |
| elif kdu.get("k8scluster-type") == "juju": |
| # TODO Juju connector needed |
| pass |
| else: |
| msg = "k8scluster-type not defined" |
| raise LcmException(msg) |
| break |
| index += 1 |
| |
| else: |
| raise LcmException("KDU '{}' not found".format(kdu_name)) |
| if output: |
| db_nslcmop_update["detailed-status"] = output |
| db_nslcmop_update["operationState"] = 'COMPLETED' |
| db_nslcmop_update["statusEnteredTime"] = time() |
| else: |
| db_nslcmop_update["detailed-status"] = '' |
| db_nslcmop_update["operationState"] = 'FAILED' |
| db_nslcmop_update["statusEnteredTime"] = time() |
| return |
| elif vnf_index: |
| for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == primitive: |
| config_primitive_desc = config_primitive |
| break |
| else: |
| for config_primitive in db_nsd.get("ns-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == primitive: |
| config_primitive_desc = config_primitive |
| break |
| |
| if not config_primitive_desc: |
| raise LcmException("Primitive {} not found at [ns|vnf|vdu]-configuration:config-primitive ". |
| format(primitive)) |
| |
| desc_params = {} |
| if vnf_index: |
| if db_vnfr.get("additionalParamsForVnf"): |
| desc_params.update(db_vnfr["additionalParamsForVnf"]) |
| else: |
| if db_nsr.get("additionalParamsForNs"): |
| desc_params.update(db_nsr["additionalParamsForNs"]) |
| |
| # TODO check if ns is in a proper status |
| output, detail = await self._ns_execute_primitive( |
| db_deployed=nsr_deployed, |
| member_vnf_index=vnf_index, |
| vdu_id=vdu_id, |
| vdu_name=vdu_name, |
| vdu_count_index=vdu_count_index, |
| primitive=primitive, |
| primitive_params=self._map_primitive_params(config_primitive_desc, primitive_params, desc_params)) |
| |
| detailed_status = output |
| if detail == 'OK': |
| result = 'COMPLETED' |
| else: |
| result = 'FAILED' |
| |
| db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = detailed_status |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = result |
| db_nslcmop_update["statusEnteredTime"] = time() |
| self.logger.debug(logging_text + " task Done with result {} {}".format(result, detailed_status)) |
| return # database update is called inside finally |
| |
| except (DbException, LcmException) as e: |
| self.logger.error(logging_text + "Exit Exception {}".format(e)) |
| exc = e |
| except asyncio.CancelledError: |
| self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step)) |
| exc = "Operation was cancelled" |
| except Exception as e: |
| exc = traceback.format_exc() |
| self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True) |
| finally: |
| if exc and db_nslcmop: |
| db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = \ |
| "FAILED {}: {}".format(step, exc) |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| try: |
| if db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = None |
| db_nsr_update["_admin.operation-type"] = None |
| db_nsr_update["_admin.nslcmop"] = None |
| db_nsr_update["_admin.current-operation"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| except DbException as e: |
| self.logger.error(logging_text + "Cannot update database: {}".format(e)) |
| self.logger.debug(logging_text + "Exit") |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "actioned", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state}, |
| loop=self.loop) |
| except Exception as e: |
| self.logger.error(logging_text + "kafka_write notification Exception {}".format(e)) |
| self.logger.debug(logging_text + "Exit") |
| self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_action") |
| return nslcmop_operation_state, nslcmop_operation_state_detail |
| |
| async def scale(self, nsr_id, nslcmop_id): |
| |
| # Try to lock HA task here |
| task_is_locked_by_me = self.lcm_tasks.lock_HA('ns', 'nslcmops', nslcmop_id) |
| if not task_is_locked_by_me: |
| return |
| |
| logging_text = "Task ns={} scale={} ".format(nsr_id, nslcmop_id) |
| self.logger.debug(logging_text + "Enter") |
| # get all needed from database |
| db_nsr = None |
| db_nslcmop = None |
| db_nslcmop_update = {} |
| nslcmop_operation_state = None |
| db_nsr_update = {"_admin.nslcmop": nslcmop_id, |
| "_admin.current-operation": nslcmop_id, |
| "_admin.operation-type": "scale"} |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| exc = None |
| # in case of error, indicates what part of scale was failed to put nsr at error status |
| scale_process = None |
| old_operational_status = "" |
| old_config_status = "" |
| vnfr_scaled = False |
| try: |
| # wait for any previous tasks in process |
| await self.lcm_tasks.waitfor_related_HA('ns', 'nslcmops', nslcmop_id) |
| |
| step = "Getting nslcmop from database" |
| self.logger.debug(step + " after having waited for previous tasks to be completed") |
| db_nslcmop = self.db.get_one("nslcmops", {"_id": nslcmop_id}) |
| step = "Getting nsr from database" |
| db_nsr = self.db.get_one("nsrs", {"_id": nsr_id}) |
| |
| old_operational_status = db_nsr["operational-status"] |
| old_config_status = db_nsr["config-status"] |
| step = "Parsing scaling parameters" |
| # self.logger.debug(step) |
| db_nsr_update["operational-status"] = "scaling" |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| nsr_deployed = db_nsr["_admin"].get("deployed") |
| |
| ####### |
| nsr_deployed = db_nsr["_admin"].get("deployed") |
| vnf_index = db_nslcmop["operationParams"].get("member_vnf_index") |
| vdu_id = db_nslcmop["operationParams"].get("vdu_id") |
| vdu_count_index = db_nslcmop["operationParams"].get("vdu_count_index") |
| vdu_name = db_nslcmop["operationParams"].get("vdu_name") |
| ####### |
| |
| RO_nsr_id = nsr_deployed["RO"]["nsr_id"] |
| vnf_index = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["member-vnf-index"] |
| scaling_group = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"]["scaling-group-descriptor"] |
| scaling_type = db_nslcmop["operationParams"]["scaleVnfData"]["scaleVnfType"] |
| # scaling_policy = db_nslcmop["operationParams"]["scaleVnfData"]["scaleByStepData"].get("scaling-policy") |
| |
| # for backward compatibility |
| if nsr_deployed and isinstance(nsr_deployed.get("VCA"), dict): |
| nsr_deployed["VCA"] = list(nsr_deployed["VCA"].values()) |
| db_nsr_update["_admin.deployed.VCA"] = nsr_deployed["VCA"] |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| step = "Getting vnfr from database" |
| db_vnfr = self.db.get_one("vnfrs", {"member-vnf-index-ref": vnf_index, "nsr-id-ref": nsr_id}) |
| step = "Getting vnfd from database" |
| db_vnfd = self.db.get_one("vnfds", {"_id": db_vnfr["vnfd-id"]}) |
| |
| step = "Getting scaling-group-descriptor" |
| for scaling_descriptor in db_vnfd["scaling-group-descriptor"]: |
| if scaling_descriptor["name"] == scaling_group: |
| break |
| else: |
| raise LcmException("input parameter 'scaleByStepData':'scaling-group-descriptor':'{}' is not present " |
| "at vnfd:scaling-group-descriptor".format(scaling_group)) |
| |
| # cooldown_time = 0 |
| # for scaling_policy_descriptor in scaling_descriptor.get("scaling-policy", ()): |
| # cooldown_time = scaling_policy_descriptor.get("cooldown-time", 0) |
| # if scaling_policy and scaling_policy == scaling_policy_descriptor.get("name"): |
| # break |
| |
| # TODO check if ns is in a proper status |
| step = "Sending scale order to VIM" |
| nb_scale_op = 0 |
| if not db_nsr["_admin"].get("scaling-group"): |
| self.update_db_2("nsrs", nsr_id, {"_admin.scaling-group": [{"name": scaling_group, "nb-scale-op": 0}]}) |
| admin_scale_index = 0 |
| else: |
| for admin_scale_index, admin_scale_info in enumerate(db_nsr["_admin"]["scaling-group"]): |
| if admin_scale_info["name"] == scaling_group: |
| nb_scale_op = admin_scale_info.get("nb-scale-op", 0) |
| break |
| else: # not found, set index one plus last element and add new entry with the name |
| admin_scale_index += 1 |
| db_nsr_update["_admin.scaling-group.{}.name".format(admin_scale_index)] = scaling_group |
| RO_scaling_info = [] |
| vdu_scaling_info = {"scaling_group_name": scaling_group, "vdu": []} |
| if scaling_type == "SCALE_OUT": |
| # count if max-instance-count is reached |
| max_instance_count = scaling_descriptor.get("max-instance-count", 10) |
| # self.logger.debug("MAX_INSTANCE_COUNT is {}".format(max_instance_count)) |
| if nb_scale_op >= max_instance_count: |
| raise LcmException("reached the limit of {} (max-instance-count) " |
| "scaling-out operations for the " |
| "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)) |
| |
| nb_scale_op += 1 |
| vdu_scaling_info["scaling_direction"] = "OUT" |
| vdu_scaling_info["vdu-create"] = {} |
| for vdu_scale_info in scaling_descriptor["vdu"]: |
| RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index, |
| "type": "create", "count": vdu_scale_info.get("count", 1)}) |
| vdu_scaling_info["vdu-create"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1) |
| |
| elif scaling_type == "SCALE_IN": |
| # count if min-instance-count is reached |
| min_instance_count = 0 |
| if "min-instance-count" in scaling_descriptor and scaling_descriptor["min-instance-count"] is not None: |
| min_instance_count = int(scaling_descriptor["min-instance-count"]) |
| if nb_scale_op <= min_instance_count: |
| raise LcmException("reached the limit of {} (min-instance-count) scaling-in operations for the " |
| "scaling-group-descriptor '{}'".format(nb_scale_op, scaling_group)) |
| nb_scale_op -= 1 |
| vdu_scaling_info["scaling_direction"] = "IN" |
| vdu_scaling_info["vdu-delete"] = {} |
| for vdu_scale_info in scaling_descriptor["vdu"]: |
| RO_scaling_info.append({"osm_vdu_id": vdu_scale_info["vdu-id-ref"], "member-vnf-index": vnf_index, |
| "type": "delete", "count": vdu_scale_info.get("count", 1)}) |
| vdu_scaling_info["vdu-delete"][vdu_scale_info["vdu-id-ref"]] = vdu_scale_info.get("count", 1) |
| |
| # update VDU_SCALING_INFO with the VDUs to delete ip_addresses |
| vdu_create = vdu_scaling_info.get("vdu-create") |
| vdu_delete = copy(vdu_scaling_info.get("vdu-delete")) |
| if vdu_scaling_info["scaling_direction"] == "IN": |
| for vdur in reversed(db_vnfr["vdur"]): |
| if vdu_delete.get(vdur["vdu-id-ref"]): |
| vdu_delete[vdur["vdu-id-ref"]] -= 1 |
| vdu_scaling_info["vdu"].append({ |
| "name": vdur["name"], |
| "vdu_id": vdur["vdu-id-ref"], |
| "interface": [] |
| }) |
| for interface in vdur["interfaces"]: |
| vdu_scaling_info["vdu"][-1]["interface"].append({ |
| "name": interface["name"], |
| "ip_address": interface["ip-address"], |
| "mac_address": interface.get("mac-address"), |
| }) |
| vdu_delete = vdu_scaling_info.pop("vdu-delete") |
| |
| # PRE-SCALE BEGIN |
| step = "Executing pre-scale vnf-config-primitive" |
| if scaling_descriptor.get("scaling-config-action"): |
| for scaling_config_action in scaling_descriptor["scaling-config-action"]: |
| if (scaling_config_action.get("trigger") == "pre-scale-in" and scaling_type == "SCALE_IN") \ |
| or (scaling_config_action.get("trigger") == "pre-scale-out" and scaling_type == "SCALE_OUT"): |
| vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"] |
| step = db_nslcmop_update["detailed-status"] = \ |
| "executing pre-scale scaling-config-action '{}'".format(vnf_config_primitive) |
| |
| # look for primitive |
| for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == vnf_config_primitive: |
| break |
| else: |
| raise LcmException( |
| "Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:scaling-config-action" |
| "[vnf-config-primitive-name-ref='{}'] does not match any vnf-configuration:config-" |
| "primitive".format(scaling_group, config_primitive)) |
| |
| vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info} |
| if db_vnfr.get("additionalParamsForVnf"): |
| vnfr_params.update(db_vnfr["additionalParamsForVnf"]) |
| |
| scale_process = "VCA" |
| db_nsr_update["config-status"] = "configuring pre-scaling" |
| primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params) |
| |
| # Pre-scale reintent check: Check if this sub-operation has been executed before |
| op_index = self._check_or_add_scale_suboperation( |
| db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'PRE-SCALE') |
| if (op_index == self.SUBOPERATION_STATUS_SKIP): |
| # Skip sub-operation |
| result = 'COMPLETED' |
| result_detail = 'Done' |
| self.logger.debug(logging_text + |
| "vnf_config_primitive={} Skipped sub-operation, result {} {}".format( |
| vnf_config_primitive, result, result_detail)) |
| else: |
| if (op_index == self.SUBOPERATION_STATUS_NEW): |
| # New sub-operation: Get index of this sub-operation |
| op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1 |
| self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation". |
| format(vnf_config_primitive)) |
| else: |
| # Reintent: Get registered params for this existing sub-operation |
| op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index] |
| vnf_index = op.get('member_vnf_index') |
| vnf_config_primitive = op.get('primitive') |
| primitive_params = op.get('primitive_params') |
| self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent". |
| format(vnf_config_primitive)) |
| # Execute the primitive, either with new (first-time) or registered (reintent) args |
| result, result_detail = await self._ns_execute_primitive( |
| nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params) |
| self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format( |
| vnf_config_primitive, result, result_detail)) |
| # Update operationState = COMPLETED | FAILED |
| self._update_suboperation_status( |
| db_nslcmop, op_index, result, result_detail) |
| |
| if result == "FAILED": |
| raise LcmException(result_detail) |
| db_nsr_update["config-status"] = old_config_status |
| scale_process = None |
| # PRE-SCALE END |
| |
| # SCALE RO - BEGIN |
| # Should this block be skipped if 'RO_nsr_id' == None ? |
| # if (RO_nsr_id and RO_scaling_info): |
| if RO_scaling_info: |
| scale_process = "RO" |
| # Scale RO reintent check: Check if this sub-operation has been executed before |
| op_index = self._check_or_add_scale_suboperation( |
| db_nslcmop, vnf_index, None, None, 'SCALE-RO', RO_nsr_id, RO_scaling_info) |
| if (op_index == self.SUBOPERATION_STATUS_SKIP): |
| # Skip sub-operation |
| result = 'COMPLETED' |
| result_detail = 'Done' |
| self.logger.debug(logging_text + "Skipped sub-operation RO, result {} {}".format( |
| result, result_detail)) |
| else: |
| if (op_index == self.SUBOPERATION_STATUS_NEW): |
| # New sub-operation: Get index of this sub-operation |
| op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1 |
| self.logger.debug(logging_text + "New sub-operation RO") |
| else: |
| # Reintent: Get registered params for this existing sub-operation |
| op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index] |
| RO_nsr_id = op.get('RO_nsr_id') |
| RO_scaling_info = op.get('RO_scaling_info') |
| self.logger.debug(logging_text + "Sub-operation RO reintent".format( |
| vnf_config_primitive)) |
| |
| RO_desc = await self.RO.create_action("ns", RO_nsr_id, {"vdu-scaling": RO_scaling_info}) |
| db_nsr_update["_admin.scaling-group.{}.nb-scale-op".format(admin_scale_index)] = nb_scale_op |
| db_nsr_update["_admin.scaling-group.{}.time".format(admin_scale_index)] = time() |
| # wait until ready |
| RO_nslcmop_id = RO_desc["instance_action_id"] |
| db_nslcmop_update["_admin.deploy.RO"] = RO_nslcmop_id |
| |
| RO_task_done = False |
| step = detailed_status = "Waiting RO_task_id={} to complete the scale action.".format(RO_nslcmop_id) |
| detailed_status_old = None |
| self.logger.debug(logging_text + step) |
| |
| deployment_timeout = 1 * 3600 # One hour |
| while deployment_timeout > 0: |
| if not RO_task_done: |
| desc = await self.RO.show("ns", item_id_name=RO_nsr_id, extra_item="action", |
| extra_item_id=RO_nslcmop_id) |
| ns_status, ns_status_info = self.RO.check_action_status(desc) |
| if ns_status == "ERROR": |
| raise ROclient.ROClientException(ns_status_info) |
| elif ns_status == "BUILD": |
| detailed_status = step + "; {}".format(ns_status_info) |
| elif ns_status == "ACTIVE": |
| RO_task_done = True |
| step = detailed_status = "Waiting ns ready at RO. RO_id={}".format(RO_nsr_id) |
| self.logger.debug(logging_text + step) |
| else: |
| assert False, "ROclient.check_action_status returns unknown {}".format(ns_status) |
| else: |
| |
| if ns_status == "ERROR": |
| raise ROclient.ROClientException(ns_status_info) |
| elif ns_status == "BUILD": |
| detailed_status = step + "; {}".format(ns_status_info) |
| elif ns_status == "ACTIVE": |
| step = detailed_status = \ |
| "Waiting for management IP address reported by the VIM. Updating VNFRs" |
| if not vnfr_scaled: |
| self.scale_vnfr(db_vnfr, vdu_create=vdu_create, vdu_delete=vdu_delete) |
| vnfr_scaled = True |
| try: |
| desc = await self.RO.show("ns", RO_nsr_id) |
| # nsr_deployed["nsr_ip"] = RO.get_ns_vnf_info(desc) |
| self.ns_update_vnfr({db_vnfr["member-vnf-index-ref"]: db_vnfr}, desc) |
| break |
| except LcmExceptionNoMgmtIP: |
| pass |
| else: |
| assert False, "ROclient.check_ns_status returns unknown {}".format(ns_status) |
| if detailed_status != detailed_status_old: |
| self._update_suboperation_status( |
| db_nslcmop, op_index, 'COMPLETED', detailed_status) |
| detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| |
| await asyncio.sleep(5, loop=self.loop) |
| deployment_timeout -= 5 |
| if deployment_timeout <= 0: |
| self._update_suboperation_status( |
| db_nslcmop, nslcmop_id, op_index, 'FAILED', "Timeout when waiting for ns to get ready") |
| raise ROclient.ROClientException("Timeout waiting ns to be ready") |
| |
| # update VDU_SCALING_INFO with the obtained ip_addresses |
| if vdu_scaling_info["scaling_direction"] == "OUT": |
| for vdur in reversed(db_vnfr["vdur"]): |
| if vdu_scaling_info["vdu-create"].get(vdur["vdu-id-ref"]): |
| vdu_scaling_info["vdu-create"][vdur["vdu-id-ref"]] -= 1 |
| vdu_scaling_info["vdu"].append({ |
| "name": vdur["name"], |
| "vdu_id": vdur["vdu-id-ref"], |
| "interface": [] |
| }) |
| for interface in vdur["interfaces"]: |
| vdu_scaling_info["vdu"][-1]["interface"].append({ |
| "name": interface["name"], |
| "ip_address": interface["ip-address"], |
| "mac_address": interface.get("mac-address"), |
| }) |
| del vdu_scaling_info["vdu-create"] |
| |
| self._update_suboperation_status(db_nslcmop, op_index, 'COMPLETED', 'Done') |
| # SCALE RO - END |
| |
| scale_process = None |
| if db_nsr_update: |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| # POST-SCALE BEGIN |
| # execute primitive service POST-SCALING |
| step = "Executing post-scale vnf-config-primitive" |
| if scaling_descriptor.get("scaling-config-action"): |
| for scaling_config_action in scaling_descriptor["scaling-config-action"]: |
| if (scaling_config_action.get("trigger") == "post-scale-in" and scaling_type == "SCALE_IN") \ |
| or (scaling_config_action.get("trigger") == "post-scale-out" and scaling_type == "SCALE_OUT"): |
| vnf_config_primitive = scaling_config_action["vnf-config-primitive-name-ref"] |
| step = db_nslcmop_update["detailed-status"] = \ |
| "executing post-scale scaling-config-action '{}'".format(vnf_config_primitive) |
| |
| vnfr_params = {"VDU_SCALE_INFO": vdu_scaling_info} |
| if db_vnfr.get("additionalParamsForVnf"): |
| vnfr_params.update(db_vnfr["additionalParamsForVnf"]) |
| |
| # look for primitive |
| for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == vnf_config_primitive: |
| break |
| else: |
| raise LcmException("Invalid vnfd descriptor at scaling-group-descriptor[name='{}']:" |
| "scaling-config-action[vnf-config-primitive-name-ref='{}'] does not " |
| "match any vnf-configuration:config-primitive".format(scaling_group, |
| config_primitive)) |
| scale_process = "VCA" |
| db_nsr_update["config-status"] = "configuring post-scaling" |
| primitive_params = self._map_primitive_params(config_primitive, {}, vnfr_params) |
| |
| # Post-scale reintent check: Check if this sub-operation has been executed before |
| op_index = self._check_or_add_scale_suboperation( |
| db_nslcmop, nslcmop_id, vnf_index, vnf_config_primitive, primitive_params, 'POST-SCALE') |
| if (op_index == self.SUBOPERATION_STATUS_SKIP): |
| # Skip sub-operation |
| result = 'COMPLETED' |
| result_detail = 'Done' |
| self.logger.debug(logging_text + |
| "vnf_config_primitive={} Skipped sub-operation, result {} {}". |
| format(vnf_config_primitive, result, result_detail)) |
| else: |
| if (op_index == self.SUBOPERATION_STATUS_NEW): |
| # New sub-operation: Get index of this sub-operation |
| op_index = len(db_nslcmop.get('_admin', {}).get('operations')) - 1 |
| self.logger.debug(logging_text + "vnf_config_primitive={} New sub-operation". |
| format(vnf_config_primitive)) |
| else: |
| # Reintent: Get registered params for this existing sub-operation |
| op = db_nslcmop.get('_admin', {}).get('operations', [])[op_index] |
| vnf_index = op.get('member_vnf_index') |
| vnf_config_primitive = op.get('primitive') |
| primitive_params = op.get('primitive_params') |
| self.logger.debug(logging_text + "vnf_config_primitive={} Sub-operation reintent". |
| format(vnf_config_primitive)) |
| # Execute the primitive, either with new (first-time) or registered (reintent) args |
| result, result_detail = await self._ns_execute_primitive( |
| nsr_deployed, vnf_index, None, None, None, vnf_config_primitive, primitive_params) |
| self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format( |
| vnf_config_primitive, result, result_detail)) |
| # Update operationState = COMPLETED | FAILED |
| self._update_suboperation_status( |
| db_nslcmop, op_index, result, result_detail) |
| |
| if result == "FAILED": |
| raise LcmException(result_detail) |
| db_nsr_update["config-status"] = old_config_status |
| scale_process = None |
| # POST-SCALE END |
| |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "COMPLETED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| db_nslcmop_update["detailed-status"] = "done" |
| db_nsr_update["detailed-status"] = "" # "scaled {} {}".format(scaling_group, scaling_type) |
| db_nsr_update["operational-status"] = "running" if old_operational_status == "failed" \ |
| else old_operational_status |
| db_nsr_update["config-status"] = old_config_status |
| return |
| except (ROclient.ROClientException, DbException, LcmException) as e: |
| self.logger.error(logging_text + "Exit Exception {}".format(e)) |
| exc = e |
| except asyncio.CancelledError: |
| self.logger.error(logging_text + "Cancelled Exception while '{}'".format(step)) |
| exc = "Operation was cancelled" |
| except Exception as e: |
| exc = traceback.format_exc() |
| self.logger.critical(logging_text + "Exit Exception {} {}".format(type(e).__name__, e), exc_info=True) |
| finally: |
| if exc: |
| if db_nslcmop: |
| db_nslcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc) |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| if db_nsr: |
| db_nsr_update["operational-status"] = old_operational_status |
| db_nsr_update["config-status"] = old_config_status |
| db_nsr_update["detailed-status"] = "" |
| db_nsr_update["_admin.nslcmop"] = None |
| if scale_process: |
| if "VCA" in scale_process: |
| db_nsr_update["config-status"] = "failed" |
| if "RO" in scale_process: |
| db_nsr_update["operational-status"] = "failed" |
| db_nsr_update["detailed-status"] = "FAILED scaling nslcmop={} {}: {}".format(nslcmop_id, step, |
| exc) |
| try: |
| if db_nslcmop and db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| if db_nsr: |
| db_nsr_update["_admin.current-operation"] = None |
| db_nsr_update["_admin.operation-type"] = None |
| db_nsr_update["_admin.nslcmop"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| except DbException as e: |
| self.logger.error(logging_text + "Cannot update database: {}".format(e)) |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state}, |
| loop=self.loop) |
| # if cooldown_time: |
| # await asyncio.sleep(cooldown_time, loop=self.loop) |
| # await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id}) |
| except Exception as e: |
| self.logger.error(logging_text + "kafka_write notification Exception {}".format(e)) |
| self.logger.debug(logging_text + "Exit") |
| self.lcm_tasks.remove("ns", nsr_id, nslcmop_id, "ns_scale") |