| # -*- 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 functools |
| import traceback |
| |
| import ROclient |
| from lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase |
| |
| from osm_common.dbbase import DbException |
| from osm_common.fsbase import FsException |
| from n2vc.vnf import N2VC |
| |
| 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): |
| """ |
| Upate 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 |
| |
| |
| 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 |
| |
| 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 |
| """ |
| # logging |
| self.logger = logging.getLogger('lcm.ns') |
| self.loop = loop |
| self.lcm_tasks = lcm_tasks |
| |
| super().__init__(db, msg, fs, self.logger) |
| |
| self.ro_config = ro_config |
| |
| self.n2vc = N2VC( |
| log=self.logger, |
| server=vca_config['host'], |
| port=vca_config['port'], |
| user=vca_config['user'], |
| secret=vca_config['secret'], |
| # TODO: This should point to the base folder where charms are stored, |
| # if there is a common one (like object storage). Otherwise, leave |
| # it unset and pass it via DeployCharms |
| # artifacts=vca_config[''], |
| artifacts=None, |
| ) |
| |
| def vnfd2RO(self, vnfd, new_id=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 |
| :return: copy of vnfd |
| """ |
| ci_file = None |
| try: |
| vnfd_RO = deepcopy(vnfd) |
| vnfd_RO.pop("_id", None) |
| vnfd_RO.pop("_admin", None) |
| if new_id: |
| vnfd_RO["id"] = new_id |
| for vdu in vnfd_RO.get("vdu", ()): |
| if "cloud-init-file" in vdu: |
| base_folder = vnfd["_admin"]["storage"] |
| clout_init_file = "{}/{}/cloud_init/{}".format( |
| base_folder["folder"], |
| base_folder["pkg-dir"], |
| vdu["cloud-init-file"] |
| ) |
| ci_file = self.fs.file_open(clout_init_file, "r") |
| # TODO: detect if binary or text. Propose to read as binary and try to decode to utf8. If fails |
| # convert to base 64 or similar |
| clout_init_content = ci_file.read() |
| ci_file.close() |
| ci_file = None |
| vdu.pop("cloud-init-file", None) |
| vdu["cloud-init"] = clout_init_content |
| # remnove unused by RO configuration, monitoring, scaling |
| vnfd_RO.pop("vnf-configuration", None) |
| vnfd_RO.pop("monitoring-param", None) |
| vnfd_RO.pop("scaling-group-descriptor", None) |
| return vnfd_RO |
| except FsException as e: |
| raise LcmException("Error reading file at vnfd {}: {} ".format(vnfd["_id"], e)) |
| finally: |
| if ci_file: |
| ci_file.close() |
| |
| def n2vc_callback(self, model_name, application_name, status, message, n2vc_info, task=None): |
| """ |
| Callback both for charm status change and task completion |
| :param model_name: Charm model name |
| :param application_name: Charm application name |
| :param status: Can be |
| - blocked: The unit needs manual intervention |
| - maintenance: The unit is actively deploying/configuring |
| - waiting: The unit is waiting for another charm to be ready |
| - active: The unit is deployed, configured, and ready |
| - error: The charm has failed and needs attention. |
| - terminated: The charm has been destroyed |
| - removing, |
| - removed |
| :param message: detailed message error |
| :param n2vc_info: dictionary with information shared with instantiate task. It contains: |
| nsr_id: |
| nslcmop_id: |
| lcmOperationType: currently "instantiate" |
| deployed: dictionary with {<application>: {operational-status: <status>, detailed-status: <text>}} |
| db_update: dictionary to be filled with the changes to be wrote to database with format key.key.key: value |
| n2vc_event: event used to notify instantiation task that some change has been produced |
| :param task: None for charm status change, or task for completion task callback |
| :return: |
| """ |
| try: |
| nsr_id = n2vc_info["nsr_id"] |
| deployed = n2vc_info["deployed"] |
| db_nsr_update = n2vc_info["db_update"] |
| nslcmop_id = n2vc_info["nslcmop_id"] |
| ns_operation = n2vc_info["lcmOperationType"] |
| n2vc_event = n2vc_info["n2vc_event"] |
| logging_text = "Task ns={} {}={} [n2vc_callback] application={}".format(nsr_id, ns_operation, nslcmop_id, |
| application_name) |
| for vca_index, vca_deployed in enumerate(deployed): |
| if not vca_deployed: |
| continue |
| if model_name == vca_deployed["model"] and application_name == vca_deployed["application"]: |
| break |
| else: |
| self.logger.error(logging_text + " Not present at nsr._admin.deployed.VCA") |
| return |
| if task: |
| if task.cancelled(): |
| self.logger.debug(logging_text + " task Cancelled") |
| vca_deployed['operational-status'] = "error" |
| db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = "error" |
| vca_deployed['detailed-status'] = "Task Cancelled" |
| db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = "Task Cancelled" |
| |
| elif task.done(): |
| exc = task.exception() |
| if exc: |
| self.logger.error(logging_text + " task Exception={}".format(exc)) |
| vca_deployed['operational-status'] = "error" |
| db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = "error" |
| vca_deployed['detailed-status'] = str(exc) |
| db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = str(exc) |
| else: |
| self.logger.debug(logging_text + " task Done") |
| # task is Done, but callback is still ongoing. So ignore |
| return |
| elif status: |
| self.logger.debug(logging_text + " Enter status={} message={}".format(status, message)) |
| if vca_deployed['operational-status'] == status: |
| return # same status, ignore |
| vca_deployed['operational-status'] = status |
| db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(vca_index)] = status |
| vca_deployed['detailed-status'] = str(message) |
| db_nsr_update["_admin.deployed.VCA.{}.detailed-status".format(vca_index)] = str(message) |
| else: |
| self.logger.critical(logging_text + " Enter with bad parameters", exc_info=True) |
| return |
| # wake up instantiate task |
| n2vc_event.set() |
| except Exception as e: |
| self.logger.critical(logging_text + " Exception {}".format(e), exc_info=True) |
| |
| 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 = {} |
| # 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 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"]), |
| # "scenario": ns_params["nsdId"], |
| } |
| if n2vc_key_list: |
| for vnfd_ref, vnfd in vnfd_dict.items(): |
| vdu_needed_access = [] |
| mgmt_cp = None |
| if vnfd.get("vnf-configuration"): |
| if 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"): |
| 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("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 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 "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"] |
| 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") |
| vdur["ip-address"] = vdur_RO.get("ip_address") |
| 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={} " |
| "at RO 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={} at " |
| "RO 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={} at RO 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={} at RO info".format(vnf_index)) |
| |
| async def instantiate(self, nsr_id, nslcmop_id): |
| logging_text = "Task ns={} instantiate={} ".format(nsr_id, nslcmop_id) |
| self.logger.debug(logging_text + "Enter") |
| # get all needed from database |
| start_deploy = time() |
| db_nsr = None |
| db_nslcmop = None |
| db_nsr_update = {"_admin.nslcmop": nslcmop_id} |
| db_nslcmop_update = {} |
| nslcmop_operation_state = None |
| db_vnfrs = {} |
| RO_descriptor_number = 0 # number of descriptors created at RO |
| descriptor_id_2_RO = {} # map between vnfd/nsd id to the id used at RO |
| n2vc_info = {} |
| exc = None |
| try: |
| 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}) |
| ns_params = db_nslcmop.get("operationParams") |
| nsd = db_nsr["nsd"] |
| nsr_name = db_nsr["name"] # TODO short-name?? |
| |
| # look if previous tasks in process |
| task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id) |
| if task_dependency: |
| step = db_nslcmop_update["detailed-status"] = \ |
| "Waiting for related tasks to be completed: {}".format(task_name) |
| self.logger.debug(logging_text + step) |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| _, pending = await asyncio.wait(task_dependency, timeout=3600) |
| if pending: |
| raise LcmException("Timeout waiting related tasks to be completed") |
| |
| step = "Getting vnfrs from db" |
| db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id}) |
| db_vnfds_ref = {} |
| db_vnfds = {} |
| for vnfr in db_vnfrs_list: |
| db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr |
| vnfd_id = vnfr["vnfd-id"] |
| vnfd_ref = vnfr["vnfd-ref"] |
| if vnfd_id not in db_vnfds: |
| step = "Getting vnfd={} id='{}' from db".format(vnfd_id, vnfd_ref) |
| vnfd = self.db.get_one("vnfds", {"_id": vnfd_id}) |
| db_vnfds_ref[vnfd_ref] = vnfd |
| db_vnfds[vnfd_id] = vnfd |
| |
| # 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 |
| 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 |
| |
| db_nsr_update["detailed-status"] = "creating" |
| db_nsr_update["operational-status"] = "init" |
| |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| |
| # get vnfds, instantiate at RO |
| for vnfd_id, vnfd in db_vnfds.items(): |
| vnfd_ref = vnfd["id"] |
| step = db_nsr_update["detailed-status"] = "Creating vnfd={} at RO".format(vnfd_ref) |
| # self.logger.debug(logging_text + step) |
| vnfd_id_RO = "{}.{}.{}".format(nsr_id, RO_descriptor_number, vnfd_ref[:23]) |
| descriptor_id_2_RO[vnfd_ref] = vnfd_id_RO |
| RO_descriptor_number += 1 |
| |
| # look if present |
| vnfd_list = await RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO}) |
| if vnfd_list: |
| db_nsr_update["_admin.deployed.RO.vnfd_id.{}".format(vnfd_id)] = vnfd_list[0]["uuid"] |
| self.logger.debug(logging_text + "vnfd={} exists at RO. Using RO_id={}".format( |
| vnfd_ref, vnfd_list[0]["uuid"])) |
| else: |
| vnfd_RO = self.vnfd2RO(vnfd, vnfd_id_RO) |
| desc = await RO.create("vnfd", descriptor=vnfd_RO) |
| db_nsr_update["_admin.deployed.RO.vnfd_id.{}".format(vnfd_id)] = desc["uuid"] |
| db_nsr_update["_admin.nsState"] = "INSTANTIATED" |
| self.logger.debug(logging_text + "vnfd={} created at RO. RO_id={}".format( |
| vnfd_ref, desc["uuid"])) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| # create nsd at RO |
| nsd_ref = nsd["id"] |
| step = db_nsr_update["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]) |
| descriptor_id_2_RO[nsd_ref] = RO_osm_nsd_id |
| RO_descriptor_number += 1 |
| nsd_list = await 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", ()): |
| vnfd_id = c_vnf["vnfd-id-ref"] |
| c_vnf["vnfd-id-ref"] = descriptor_id_2_RO[vnfd_id] |
| desc = await 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) |
| |
| # Crate ns at RO |
| # if present use it unless in error status |
| RO_nsr_id = db_nsr["_admin"].get("deployed", {}).get("RO", {}).get("nsr_id") |
| if RO_nsr_id: |
| try: |
| step = db_nsr_update["detailed-status"] = "Looking for existing ns at RO" |
| # self.logger.debug(logging_text + step + " RO_ns_id={}".format(RO_nsr_id)) |
| desc = await 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 = RO.check_ns_status(desc) |
| db_nsr_update["_admin.deployed.RO.nsr_status"] = ns_status |
| if ns_status == "ERROR": |
| step = db_nsr_update["detailed-status"] = "Deleting ns at RO. RO_ns_id={}".format(RO_nsr_id) |
| self.logger.debug(logging_text + step) |
| await 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["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["detailed-status"] = "Checking instantiation parameters" |
| |
| # feature 1429. Add n2vc public key to needed VMs |
| n2vc_key = await self.n2vc.GetPublicKey() |
| RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, [n2vc_key]) |
| |
| step = db_nsr_update["detailed-status"] = "Creating ns at RO" |
| desc = await 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) |
| |
| # wait until NS is ready |
| step = ns_status_detailed = detailed_status = "Waiting ns ready at RO. RO_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 RO.show("ns", RO_nsr_id) |
| ns_status, ns_status_info = 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: |
| 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["detailed-status"] = detailed_status |
| self.update_db_2("nsrs", nsr_id, 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["detailed-status"] = "Configuring vnfr" |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| # The parameters we'll need to deploy a charm |
| number_to_configure = 0 |
| |
| def deploy_charm(vnf_index, vdu_id, vdu_name, vdu_count_index, mgmt_ip_address, n2vc_info, |
| config_primitive=None): |
| """An inner function to deploy the charm from either vnf or vdu |
| vnf_index is mandatory. vdu_id can be None for a vnf configuration or the id for vdu configuration |
| """ |
| if not mgmt_ip_address: |
| raise LcmException("vnfd/vdu has not management ip address to configure it") |
| # Login to the VCA. |
| # if number_to_configure == 0: |
| # self.logger.debug("Logging into N2VC...") |
| # task = asyncio.ensure_future(self.n2vc.login()) |
| # yield from asyncio.wait_for(task, 30.0) |
| # self.logger.debug("Logged into N2VC!") |
| |
| # # await self.n2vc.login() |
| |
| # Note: The charm needs to exist on disk at the location |
| # specified by charm_path. |
| base_folder = vnfd["_admin"]["storage"] |
| storage_params = self.fs.get_params() |
| charm_path = "{}{}/{}/charms/{}".format( |
| storage_params["path"], |
| base_folder["folder"], |
| base_folder["pkg-dir"], |
| proxy_charm |
| ) |
| |
| # Setup the runtime parameters for this VNF |
| params = {'rw_mgmt_ip': mgmt_ip_address} |
| if config_primitive: |
| params["initial-config-primitive"] = config_primitive |
| |
| # ns_name will be ignored in the current version of N2VC |
| # but will be implemented for the next point release. |
| model_name = 'default' # TODO bug 581 : change to nsr_id |
| if vdu_id: |
| vdu_id_text = vdu_id |
| else: |
| vdu_id_text = "vnfd" # TODO bug 581 remove and add just an empty string "" |
| application_name = self.n2vc.FormatApplicationName(nsr_name, vnf_index, vdu_id_text) |
| # TODO bug 581 Add "-" as a final argument |
| |
| vca_index = len(vca_deployed_list) |
| # trunk name and add two char index at the end to ensure that it is unique. It is assumed no more than |
| # 26*26 charm in the same NS |
| # TODO bug 581 uncoment |
| # application_name = application_name[0:48] |
| # application_name += chr(97 + vca_index / 26) + chr(97 + vca_index % 26) |
| vca_deployed_ = { |
| "member-vnf-index": vnf_index, |
| "vdu_id": vdu_id, |
| "model": model_name, |
| "application": application_name, |
| "operational-status": "init", |
| "detailed-status": "", |
| "vnfd_id": vnfd_id, |
| "vdu_name": vdu_name, |
| "vdu_count_index": vdu_count_index, |
| } |
| vca_deployed_list.append(vca_deployed_) |
| db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = vca_deployed_ |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| self.logger.debug("Task create_ns={} Passing artifacts path '{}' for {}".format(nsr_id, charm_path, |
| proxy_charm)) |
| if not n2vc_info: |
| n2vc_info["nsr_id"] = nsr_id |
| n2vc_info["nslcmop_id"] = nslcmop_id |
| n2vc_info["n2vc_event"] = asyncio.Event(loop=self.loop) |
| n2vc_info["lcmOperationType"] = "instantiate" |
| n2vc_info["deployed"] = vca_deployed_list |
| n2vc_info["db_update"] = db_nsr_update |
| task = asyncio.ensure_future( |
| self.n2vc.DeployCharms( |
| model_name, # The network service name |
| application_name, # The application name |
| vnfd, # The vnf descriptor |
| charm_path, # Path to charm |
| params, # Runtime params, like mgmt ip |
| {}, # for native charms only |
| self.n2vc_callback, # Callback for status changes |
| n2vc_info, # Callback parameter |
| None, # Callback parameter (task) |
| ) |
| ) |
| task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None, None, |
| n2vc_info)) |
| self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "create_charm:" + application_name, task) |
| |
| step = "Looking for needed vnfd to configure" |
| self.logger.debug(logging_text + step) |
| |
| for c_vnf in get_iterable(nsd, "constituent-vnfd"): |
| vnfd_id = c_vnf["vnfd-id-ref"] |
| vnf_index = str(c_vnf["member-vnf-index"]) |
| vnfd = db_vnfds_ref[vnfd_id] |
| |
| # Check if this VNF has a charm configuration |
| vnf_config = vnfd.get("vnf-configuration") |
| |
| if vnf_config and vnf_config.get("juju"): |
| proxy_charm = vnf_config["juju"]["charm"] |
| config_primitive = None |
| |
| if proxy_charm: |
| if 'initial-config-primitive' in vnf_config: |
| config_primitive = vnf_config['initial-config-primitive'] |
| |
| # Login to the VCA. If there are multiple calls to login(), |
| # subsequent calls will be a nop and return immediately. |
| step = "connecting to N2VC to configure vnf {}".format(vnf_index) |
| await self.n2vc.login() |
| deploy_charm(vnf_index, None, None, None, db_vnfrs[vnf_index]["ip-address"], n2vc_info, |
| config_primitive) |
| number_to_configure += 1 |
| |
| # Deploy charms for each VDU that supports one. |
| for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')): |
| vdu_config = vdu.get('vdu-configuration') |
| proxy_charm = None |
| config_primitive = None |
| |
| if vdu_config and vdu_config.get("juju"): |
| proxy_charm = vdu_config["juju"]["charm"] |
| |
| if 'initial-config-primitive' in vdu_config: |
| config_primitive = vdu_config['initial-config-primitive'] |
| |
| if proxy_charm: |
| step = "connecting to N2VC to configure vdu {} from vnf {}".format(vdu["id"], vnf_index) |
| await self.n2vc.login() |
| vdur = db_vnfrs[vnf_index]["vdur"][vdu_index] |
| # TODO for the moment only first vdu_id contains a charm deployed |
| if vdur["vdu-id-ref"] != vdu["id"]: |
| raise LcmException("Mismatch vdur {}, vdu {} at index {} for vnf {}" |
| .format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index)) |
| deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"], |
| vdur["ip-address"], n2vc_info, config_primitive) |
| number_to_configure += 1 |
| |
| db_nsr_update["operational-status"] = "running" |
| configuration_failed = False |
| if number_to_configure: |
| old_status = "configuring: init: {}".format(number_to_configure) |
| db_nsr_update["config-status"] = old_status |
| db_nsr_update["detailed-status"] = old_status |
| db_nslcmop_update["detailed-status"] = old_status |
| |
| # wait until all are configured. |
| while time() <= start_deploy + self.total_deploy_timeout: |
| if db_nsr_update: |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| if db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| # TODO add a fake tast that set n2vc_event after some time |
| await n2vc_info["n2vc_event"].wait() |
| n2vc_info["n2vc_event"].clear() |
| all_active = True |
| status_map = {} |
| n2vc_error_text = [] # contain text error list. If empty no one is in error status |
| now = time() |
| for vca_deployed in vca_deployed_list: |
| vca_status = vca_deployed["operational-status"] |
| if vca_status not in status_map: |
| # Initialize it |
| status_map[vca_status] = 0 |
| status_map[vca_status] += 1 |
| |
| if vca_status == "active": |
| vca_deployed.pop("time_first_error", None) |
| vca_deployed.pop("status_first_error", None) |
| continue |
| |
| all_active = False |
| if vca_status in ("error", "blocked"): |
| vca_deployed["detailed-status-error"] = vca_deployed["detailed-status"] |
| # if not first time in this status error |
| if not vca_deployed.get("time_first_error"): |
| vca_deployed["time_first_error"] = now |
| continue |
| if vca_deployed.get("time_first_error") and \ |
| now <= vca_deployed["time_first_error"] + self.timeout_vca_on_error: |
| n2vc_error_text.append("member_vnf_index={} vdu_id={} {}: {}" |
| .format(vca_deployed["member-vnf-index"], |
| vca_deployed["vdu_id"], vca_status, |
| vca_deployed["detailed-status-error"])) |
| |
| if all_active: |
| break |
| elif n2vc_error_text: |
| db_nsr_update["config-status"] = "failed" |
| error_text = "fail configuring " + ";".join(n2vc_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() |
| configuration_failed = True |
| break |
| else: |
| cs = "configuring: " |
| separator = "" |
| for status, num in status_map.items(): |
| cs += separator + "{}: {}".format(status, num) |
| separator = ", " |
| if old_status != cs: |
| db_nsr_update["config-status"] = cs |
| db_nsr_update["detailed-status"] = cs |
| db_nslcmop_update["detailed-status"] = cs |
| old_status = cs |
| else: # total_deploy_timeout |
| raise LcmException("Timeout waiting ns to be configured") |
| |
| if not configuration_failed: |
| # 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" |
| |
| return |
| |
| 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() |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = 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) |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "instantiated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state}) |
| 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 terminate(self, nsr_id, nslcmop_id): |
| 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 |
| vca_task_list = [] |
| vca_task_dict = {} |
| vca_application_name2index = {} |
| db_nsr_update = {"_admin.nslcmop": nslcmop_id} |
| db_nslcmop_update = {} |
| nslcmop_operation_state = None |
| try: |
| 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 ALF remove |
| # db_vim = self.db.get_one("vim_accounts", {"_id": db_nsr["datacenter"]}) |
| # #TODO check if VIM is creating and wait |
| # RO_vim_id = db_vim["_admin"]["deployed"]["RO"] |
| |
| db_nsr_update["operational-status"] = "terminating" |
| db_nsr_update["config-status"] = "terminating" |
| |
| if nsr_deployed and nsr_deployed.get("VCA"): |
| try: |
| step = "Scheduling configuration charms removing" |
| db_nsr_update["detailed-status"] = "Deleting charms" |
| self.logger.debug(logging_text + step) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| # for backward compatibility |
| if isinstance(nsr_deployed["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) |
| |
| for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]): |
| if vca_deployed: # TODO it would be desirable having a and deploy_info.get("deployed"): |
| task = asyncio.ensure_future( |
| self.n2vc.RemoveCharms( |
| vca_deployed['model'], |
| vca_deployed["application"], |
| # self.n2vc_callback, |
| # db_nsr, |
| # db_nslcmop, |
| ) |
| ) |
| vca_application_name2index[vca_deployed["application"]] = vca_index |
| vca_task_list.append(task) |
| vca_task_dict[vca_deployed["application"]] = task |
| # task.add_done_callback(functools.partial(self.n2vc_callback, vca_deployed['model'], |
| # vca_deployed['application'], None, db_nsr, |
| # db_nslcmop, vnf_index)) |
| self.lcm_tasks.register("ns", nsr_id, nslcmop_id, |
| "delete_charm:" + vca_deployed["application"], task) |
| except Exception as e: |
| self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e)) |
| |
| # remove from RO |
| RO_fail = False |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| |
| # 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 at RO" |
| self.logger.debug(logging_text + step) |
| desc = await 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={}".format(RO_nsr_id) |
| detailed_status_old = None |
| self.logger.debug(logging_text + step) |
| |
| delete_timeout = 20 * 60 # 20 minutes |
| while delete_timeout > 0: |
| desc = await RO.show("ns", item_id_name=RO_nsr_id, extra_item="action", |
| extra_item_id=RO_delete_action) |
| ns_status, ns_status_info = 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": |
| break |
| else: |
| assert False, "ROclient.check_action_status returns unknown {}".format(ns_status) |
| await asyncio.sleep(5, loop=self.loop) |
| delete_timeout -= 5 |
| if detailed_status != detailed_status_old: |
| detailed_status_old = db_nslcmop_update["detailed-status"] = detailed_status |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| 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" |
| 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 at RO" |
| await 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_id"): |
| for vnf_id, RO_vnfd_id in nsr_deployed["RO"]["vnfd_id"].items(): |
| if not RO_vnfd_id: |
| continue |
| try: |
| step = db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\ |
| "Deleting vnfd={} at RO".format(vnf_id) |
| await 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(vnf_id)] = None |
| except ROclient.ROClientException as e: |
| if e.http_code == 404: # not found |
| db_nsr_update["_admin.deployed.RO.vnfd_id.{}".format(vnf_id)] = 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 vca_task_list: |
| db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] =\ |
| "Waiting for deletion of configuration charms" |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| await asyncio.wait(vca_task_list, timeout=300) |
| for application_name, task in vca_task_dict.items(): |
| if task.cancelled(): |
| failed_detail.append("VCA[application_name={}] Deletion has been cancelled" |
| .format(application_name)) |
| elif task.done(): |
| exc = task.exception() |
| if exc: |
| failed_detail.append("VCA[application_name={}] Deletion exception: {}" |
| .format(application_name, exc)) |
| else: |
| vca_index = vca_application_name2index[application_name] |
| db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = None |
| else: # timeout |
| # TODO Should it be cancelled?!! |
| task.cancel() |
| failed_detail.append("VCA[application_name={}] Deletion timeout".format(application_name)) |
| |
| 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() |
| elif db_nslcmop["operationParams"].get("autoremove"): |
| self.db.del_one("nsrs", {"_id": nsr_id}) |
| db_nsr_update.clear() |
| self.db.del_list("nslcmops", {"nsInstanceId": nsr_id}) |
| nslcmop_operation_state = "COMPLETED" |
| db_nslcmop_update.clear() |
| self.db.del_list("vnfrs", {"nsr-id-ref": nsr_id}) |
| self.db.set_list("pdus", {"_admin.usage.nsr_id": nsr_id}, |
| {"_admin.usageSate": "NOT_IN_USE", "_admin.usage": None}) |
| self.logger.debug(logging_text + "Delete from database") |
| 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() |
| |
| except (ROclient.ROClientException, DbException) 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() |
| if db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "terminated", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state}) |
| 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_terminate") |
| |
| async def _ns_execute_primitive(self, db_deployed, nsr_name, member_vnf_index, vdu_id, vdu_name, vdu_count_index, |
| primitive, primitive_params): |
| |
| 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: |
| 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)) |
| model_name = vca_deployed.get("model") |
| application_name = vca_deployed.get("application") |
| if not model_name or not application_name: |
| raise LcmException("charm for member_vnf_index={} vdu_id={} vdu_name={} vdu_count_index={} has not model " |
| "or application name" .format(member_vnf_index, vdu_id, vdu_name, vdu_count_index)) |
| if vca_deployed["operational-status"] != "active": |
| raise LcmException("charm for member_vnf_index={} vdu_id={} operational_status={} not 'active'".format( |
| member_vnf_index, vdu_id, vca_deployed["operational-status"])) |
| callback = None # self.n2vc_callback |
| callback_args = () # [db_nsr, db_nslcmop, member_vnf_index, None] |
| await self.n2vc.login() |
| task = asyncio.ensure_future( |
| self.n2vc.ExecutePrimitive( |
| model_name, |
| application_name, |
| primitive, callback, |
| *callback_args, |
| **primitive_params |
| ) |
| ) |
| # task.add_done_callback(functools.partial(self.n2vc_callback, model_name, application_name, None, |
| # db_nsr, db_nslcmop, member_vnf_index)) |
| # self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "action:" + primitive, task) |
| # wait until completed with timeout |
| await asyncio.wait((task,), timeout=600) |
| |
| result = "FAILED" # by default |
| result_detail = "" |
| if task.cancelled(): |
| result_detail = "Task has been cancelled" |
| elif task.done(): |
| exc = task.exception() |
| if exc: |
| result_detail = str(exc) |
| else: |
| # TODO revise with Adam if action is finished and ok when task is done or callback is needed |
| result = "COMPLETED" |
| result_detail = "Done" |
| else: # timeout |
| # TODO Should it be cancelled?!! |
| task.cancel() |
| result_detail = "timeout" |
| return result, result_detail |
| |
| async def action(self, nsr_id, nslcmop_id): |
| 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} |
| db_nslcmop_update = {} |
| nslcmop_operation_state = None |
| exc = None |
| try: |
| 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") |
| nsr_name = db_nsr["name"] |
| vnf_index = db_nslcmop["operationParams"]["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") |
| |
| # look if previous tasks in process |
| task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id) |
| if task_dependency: |
| step = db_nslcmop_update["detailed-status"] = \ |
| "Waiting for related tasks to be completed: {}".format(task_name) |
| self.logger.debug(logging_text + step) |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| _, pending = await asyncio.wait(task_dependency, timeout=3600) |
| if pending: |
| raise LcmException("Timeout waiting related tasks to be completed") |
| |
| # 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) |
| |
| # TODO check if ns is in a proper status |
| primitive = db_nslcmop["operationParams"]["primitive"] |
| primitive_params = db_nslcmop["operationParams"]["primitive_params"] |
| result, result_detail = await self._ns_execute_primitive(nsr_deployed, nsr_name, vnf_index, vdu_id, |
| vdu_name, vdu_count_index, primitive, |
| primitive_params) |
| db_nslcmop_update["detailed-status"] = result_detail |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = result |
| db_nslcmop_update["statusEnteredTime"] = time() |
| self.logger.debug(logging_text + " task Done with result {} {}".format(result, result_detail)) |
| 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"] = "FAILED {}: {}".format(step, exc) |
| db_nslcmop_update["operationState"] = nslcmop_operation_state = "FAILED" |
| db_nslcmop_update["statusEnteredTime"] = time() |
| if db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| 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}) |
| 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") |
| |
| async def scale(self, nsr_id, nslcmop_id): |
| 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} |
| 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: |
| step = "Getting nslcmop from database" |
| 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}) |
| nsr_name = db_nsr["name"] |
| old_operational_status = db_nsr["operational-status"] |
| old_config_status = db_nsr["config-status"] |
| |
| # look if previous tasks in process |
| task_name, task_dependency = self.lcm_tasks.lookfor_related("ns", nsr_id, nslcmop_id) |
| if task_dependency: |
| step = db_nslcmop_update["detailed-status"] = \ |
| "Waiting for related tasks to be completed: {}".format(task_name) |
| self.logger.debug(logging_text + step) |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| _, pending = await asyncio.wait(task_dependency, timeout=3600) |
| if pending: |
| raise LcmException("Timeout waiting related tasks to be completed") |
| |
| step = "Parsing scaling parameters" |
| db_nsr_update["operational-status"] = "scaling" |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| nsr_deployed = db_nsr["_admin"].get("deployed") |
| 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 RO" |
| 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 |
| if "max-instance-count" in scaling_descriptor and scaling_descriptor["max-instance-count"] is not None: |
| max_instance_count = int(scaling_descriptor["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 = 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 = 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") |
| |
| # execute primitive service PRE-SCALING |
| 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") and scaling_config_action["trigger"] == "pre-scale-in" \ |
| and scaling_type == "SCALE_IN": |
| 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 |
| primitive_params = {} |
| for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == vnf_config_primitive: |
| for parameter in config_primitive.get("parameter", ()): |
| if 'default-value' in parameter and \ |
| parameter['default-value'] == "<VDU_SCALE_INFO>": |
| primitive_params[parameter["name"]] = yaml.safe_dump(vdu_scaling_info, |
| default_flow_style=True, |
| width=256) |
| 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-cnfiguration:config-" |
| "primitive".format(scaling_group, config_primitive)) |
| scale_process = "VCA" |
| db_nsr_update["config-status"] = "configuring pre-scaling" |
| result, result_detail = await self._ns_execute_primitive(nsr_deployed, nsr_name, 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)) |
| if result == "FAILED": |
| raise LcmException(result_detail) |
| db_nsr_update["config-status"] = old_config_status |
| scale_process = None |
| |
| if RO_scaling_info: |
| scale_process = "RO" |
| RO = ROclient.ROClient(self.loop, **self.ro_config) |
| RO_desc = await 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 RO.show("ns", item_id_name=RO_nsr_id, extra_item="action", |
| extra_item_id=RO_nslcmop_id) |
| ns_status, ns_status_info = 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: |
| desc = await RO.show("ns", RO_nsr_id) |
| ns_status, ns_status_info = RO.check_ns_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": |
| 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 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: |
| 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: |
| 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"] |
| |
| scale_process = None |
| if db_nsr_update: |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| |
| # 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") and scaling_config_action["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) |
| # look for primitive |
| primitive_params = {} |
| for config_primitive in db_vnfd.get("vnf-configuration", {}).get("config-primitive", ()): |
| if config_primitive["name"] == vnf_config_primitive: |
| for parameter in config_primitive.get("parameter", ()): |
| if 'default-value' in parameter and \ |
| parameter['default-value'] == "<VDU_SCALE_INFO>": |
| primitive_params[parameter["name"]] = yaml.safe_dump(vdu_scaling_info, |
| default_flow_style=True, |
| width=256) |
| 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" |
| |
| result, result_detail = await self._ns_execute_primitive(nsr_deployed, nsr_name, 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)) |
| if result == "FAILED": |
| raise LcmException(result_detail) |
| db_nsr_update["config-status"] = old_config_status |
| scale_process = None |
| |
| 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"] = 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) |
| if db_nslcmop_update: |
| self.update_db_2("nslcmops", nslcmop_id, db_nslcmop_update) |
| if db_nsr: |
| db_nsr_update["_admin.nslcmop"] = None |
| self.update_db_2("nsrs", nsr_id, db_nsr_update) |
| if nslcmop_operation_state: |
| try: |
| await self.msg.aiowrite("ns", "scaled", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id, |
| "operationState": nslcmop_operation_state}) |
| # if cooldown_time: |
| # await asyncio.sleep(cooldown_time) |
| # 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") |