X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_lcm%2Fns.py;h=1a48cfb28c7f592c1603b5387beac8f4cf6d5c1b;hb=4d761ebb95fc7a809ccf63d8d86ceb1edd106c8f;hp=4900287808adc495cba781abfc72bd784c0ab929;hpb=f578e55acd56e8bb15bda3604f9192280988105c;p=osm%2FLCM.git diff --git a/osm_lcm/ns.py b/osm_lcm/ns.py index 4900287..1a48cfb 100644 --- a/osm_lcm/ns.py +++ b/osm_lcm/ns.py @@ -1,19 +1,35 @@ -#!/usr/bin/python3 # -*- 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 +from jinja2 import Environment, Template, meta, TemplateError, TemplateNotFound, TemplateSyntaxError -import ROclient -from lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase +from osm_lcm import ROclient +from osm_lcm.lcm_utils import LcmException, LcmExceptionNoMgmtIP, LcmBase from osm_common.dbbase import DbException from osm_common.fsbase import FsException -from n2vc.vnf import N2VC +from n2vc.vnf import N2VC, N2VCPrimitiveExecutionFailed, NetworkServiceDoesNotExist, PrimitiveDoesNotExist from copy import copy, deepcopy from http import HTTPStatus @@ -37,7 +53,7 @@ def get_iterable(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. + 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 @@ -51,9 +67,30 @@ def populate_dict(target_dict, key_list, value): 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): """ @@ -81,48 +118,67 @@ class NsLcm(LcmBase): # it unset and pass it via DeployCharms # artifacts=vca_config[''], artifacts=None, + juju_public_key=vca_config.get('pubkey'), + ca_cert=vca_config.get('cacert'), + api_proxy=vca_config.get('apiproxy') ) + self.RO = ROclient.ROClient(self.loop, **self.ro_config) - def vnfd2RO(self, vnfd, new_id=None): + 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 """ - ci_file = None 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) if new_id: vnfd_RO["id"] = new_id - for vdu in vnfd_RO.get("vdu", ()): - if "cloud-init-file" in vdu: + + # 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"] - 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 + 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) - 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) + 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 file at vnfd {}: {} ".format(vnfd["_id"], e)) - finally: - if ci_file: - ci_file.close() + 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 n2vc_callback(self, model_name, application_name, status, message, n2vc_info, task=None): """ @@ -158,27 +214,31 @@ class NsLcm(LcmBase): n2vc_event = n2vc_info["n2vc_event"] logging_text = "Task ns={} {}={} [n2vc_callback] application={}".format(nsr_id, ns_operation, nslcmop_id, application_name) - vca_deployed = deployed.get(application_name) - if not vca_deployed: - self.logger.error(logging_text + " Not present at nsr._admin.deployed.VCA") + 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. Received model_name={}". + format(model_name)) 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(application_name)] = "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(application_name)] = "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(application_name)] = "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(application_name)] = 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 @@ -188,9 +248,9 @@ class NsLcm(LcmBase): if vca_deployed['operational-status'] == status: return # same status, ignore vca_deployed['operational-status'] = status - db_nsr_update["_admin.deployed.VCA.{}.operational-status".format(application_name)] = 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(application_name)] = 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 @@ -206,6 +266,7 @@ class NsLcm(LcmBase): :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 @@ -222,6 +283,21 @@ class NsLcm(LcmBase): 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: @@ -245,38 +321,42 @@ class NsLcm(LcmBase): # "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"], } - 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"): + 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 + 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 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"] @@ -326,10 +406,19 @@ class NsLcm(LcmBase): 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"])) + if internal_vld_params.get("provider-network"): + + populate_dict(RO_ns_params, ("vnfs", vnf_params["member-vnf-index"], "networks", + internal_vld_params["name"], "provider-network"), + internal_vld_params["provider-network"].copy()) for icp_params in get_iterable(internal_vld_params, "internal-connection-point"): # look for interface @@ -362,6 +451,15 @@ class NsLcm(LcmBase): 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("provider-network"): + + populate_dict(RO_ns_params, ("networks", vld_params["name"], "provider-network"), + vld_params["provider-network"].copy()) + + 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): @@ -374,6 +472,25 @@ class NsLcm(LcmBase): 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 @@ -487,7 +604,7 @@ class NsLcm(LcmBase): continue vnfr_update = {} if vnf_RO.get("ip_address"): - db_vnfr["ip-address"] = vnfr_update["ip-address"] = vnf_RO["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)) @@ -502,7 +619,10 @@ class NsLcm(LcmBase): vdur_RO_count_index += 1 continue vdur["vim-id"] = vdur_RO.get("vim_vm_id") - vdur["ip-address"] = vdur_RO.get("ip_address") + 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") @@ -515,12 +635,13 @@ class NsLcm(LcmBase): 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"])) + "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={} at " - "RO info".format(vnf_index, vdur["vdu-id-ref"], vdur["count-index"])) + 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"): @@ -533,16 +654,22 @@ class NsLcm(LcmBase): vnfr_update["vld.{}".format(vld_index)] = vld break else: - raise LcmException("ns_update_vnfr: Not found member_vnf_index={} vld={} at RO info".format( + 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={} at RO info".format(vnf_index)) + raise LcmException("ns_update_vnfr: Not found member_vnf_index={} from VIM info".format(vnf_index)) async def instantiate(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={} instantiate={} ".format(nsr_id, nslcmop_id) self.logger.debug(logging_text + "Enter") # get all needed from database @@ -554,10 +681,15 @@ class NsLcm(LcmBase): 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 + vnf_index_2_RO_id = {} # map between vnfd/nsd id to the id used at RO n2vc_info = {} + n2vc_key_list = [] # list of public keys to be injected as authorized to VMs exc = None try: + # wait for any previous tasks in process + step = "Waiting for previous tasks" + 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) @@ -566,21 +698,11 @@ class NsLcm(LcmBase): 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 = {} + db_vnfds_index = {} for vnfr in db_vnfrs_list: db_vnfrs[vnfr["member-vnf-index-ref"]] = vnfr vnfd_id = vnfr["vnfd-id"] @@ -590,42 +712,398 @@ class NsLcm(LcmBase): vnfd = self.db.get_one("vnfds", {"_id": vnfd_id}) db_vnfds_ref[vnfd_ref] = vnfd db_vnfds[vnfd_id] = vnfd + db_vnfds_index[vnfr["member-vnf-index-ref"]] = db_vnfds[vnfd_id] + + # Get or generates the _admin.deployed,VCA list + vca_deployed_list = None + vca_model_name = None + if db_nsr["_admin"].get("deployed"): + vca_deployed_list = db_nsr["_admin"]["deployed"].get("VCA") + vca_model_name = db_nsr["_admin"]["deployed"].get("VCA-model-name") + if vca_deployed_list is None: + vca_deployed_list = [] + db_nsr_update["_admin.deployed.VCA"] = 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) - nsr_lcm = db_nsr["_admin"].get("deployed") - if not nsr_lcm: - nsr_lcm = db_nsr["_admin"]["deployed"] = { - "id": nsr_id, - "RO": {"vnfd_id": {}, "nsd_id": None, "nsr_id": None, "nsr_status": "SCHEDULED"}, - # "nsr_ip": {}, - "VCA": {}, - } 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) + + # Deploy charms + # 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, charm_params, n2vc_info, native_charm=False): + """An inner function to deploy the charm from either ns, vnf or vdu + For ns both vnf_index and vdu_id are None. + For vnf only vdu_id is None + For vdu both vnf_index and vdu_id contain a value + """ + # if not charm_params.get("rw_mgmt_ip") and vnf_index: # if NS skip mgmt_ip checking + # raise LcmException("ns/vnfd/vdu has not management ip address to configure it") + + machine_spec = {} + if native_charm: + machine_spec["username"] = charm_params.get("username") + machine_spec["hostname"] = charm_params.get("rw_mgmt_ip") + + # Note: The charm needs to exist on disk at the location + # specified by charm_path. + descriptor = vnfd if vnf_index else nsd + base_folder = descriptor["_admin"]["storage"] + storage_params = self.fs.get_params() + charm_path = "{}{}/{}/charms/{}".format( + storage_params["path"], + base_folder["folder"], + base_folder["pkg-dir"], + proxy_charm + ) - RO = ROclient.ROClient(self.loop, **self.ro_config) + # ns_name will be ignored in the current version of N2VC + # but will be implemented for the next point release. + model_name = nsr_id + vdu_id_text = (str(vdu_id) if vdu_id else "") + "-" + vnf_index_text = (str(vnf_index) if vnf_index else "") + "-" + application_name = self.n2vc.FormatApplicationName(nsr_name, vnf_index_text, vdu_id_text) + + 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 + 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": "", + "step": "initial-deploy", + "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 + descriptor, # The vnf/nsd descriptor + charm_path, # Path to charm + charm_params, # Runtime params, like mgmt ip + machine_spec, # 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 with proxy charm" + 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] + + # Get additional parameters + vnfr_params = {} + if db_vnfrs[vnf_index].get("additionalParamsForVnf"): + vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy() + for k, v in vnfr_params.items(): + if isinstance(v, str) and v.startswith("!!yaml "): + vnfr_params[k] = yaml.safe_load(v[7:]) + + step = "deploying proxy charms for configuration" + # 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"] + if vnf_config["juju"].get("proxy") is False: + # native_charm, will be deployed after VM. Skip + proxy_charm = None + + if proxy_charm: + if not vca_model_name: + step = "creating VCA model name '{}'".format(nsr_id) + self.logger.debug(logging_text + step) + await self.n2vc.CreateNetworkService(nsr_id) + vca_model_name = nsr_id + db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id + self.update_db_2("nsrs", nsr_id, db_nsr_update) + step = "deploying proxy charm to configure vnf {}".format(vnf_index) + vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"] + charm_params = { + "user_values": vnfr_params, + "rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"], + "initial-config-primitive": {} # vnf_config.get('initial-config-primitive') or {} + } + + # Login to the VCA. If there are multiple calls to login(), + # subsequent calls will be a nop and return immediately. + await self.n2vc.login() + + deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info) + 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 + + if vdu_config and vdu_config.get("juju"): + proxy_charm = vdu_config["juju"]["charm"] + if vdu_config["juju"].get("proxy") is False: + # native_charm, will be deployed after VM. Skip + proxy_charm = None + if proxy_charm: + if not vca_model_name: + step = "creating VCA model name" + await self.n2vc.CreateNetworkService(nsr_id) + vca_model_name = nsr_id + db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id + self.update_db_2("nsrs", nsr_id, db_nsr_update) + step = "deploying proxy charm to configure member_vnf_index={} vdu={}".format(vnf_index, + vdu["id"]) + 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 member_vnf_index={}" + .format(vdur["vdu-id-ref"], vdu["id"], vdu_index, vnf_index)) + vnfr_params["rw_mgmt_ip"] = vdur["ip-address"] + charm_params = { + "user_values": vnfr_params, + "rw_mgmt_ip": vdur["ip-address"], + "initial-config-primitive": {} # vdu_config.get('initial-config-primitive') or {} + } + deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"], + charm_params, n2vc_info) + number_to_configure += 1 + + # Check if this NS has a charm configuration + + ns_config = nsd.get("ns-configuration") + if ns_config and ns_config.get("juju"): + proxy_charm = ns_config["juju"]["charm"] + if ns_config["juju"].get("proxy") is False: + # native_charm, will be deployed after VM. Skip + proxy_charm = None + if proxy_charm: + step = "deploying proxy charm to configure ns" + # TODO is NS magmt IP address needed? + + # Get additional parameters + additional_params = {} + if db_nsr.get("additionalParamsForNs"): + additional_params = db_nsr["additionalParamsForNs"].copy() + for k, v in additional_params.items(): + if isinstance(v, str) and v.startswith("!!yaml "): + additional_params[k] = yaml.safe_load(v[7:]) + + # additional_params["rw_mgmt_ip"] = db_nsr["ip-address"] + charm_params = { + "user_values": additional_params, + # "rw_mgmt_ip": db_nsr["ip-address"], + "initial-config-primitive": {} # ns_config.get('initial-config-primitive') or {} + } + + # Login to the VCA. If there are multiple calls to login(), + # subsequent calls will be a nop and return immediately. + await self.n2vc.login() + deploy_charm(None, None, None, None, charm_params, n2vc_info) + number_to_configure += 1 + + db_nsr_update["operational-status"] = "running" + + # Wait until all charms has reached blocked or active status + step = "waiting proxy charms to be ready" + if number_to_configure: + # wait until all charms are configured. + # steps are: + # initial-deploy + # get-ssh-public-key + # generate-ssh-key + # retry-get-ssh-public-key + # ssh-public-key-obtained + 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) + + all_active = True + for vca_index, vca_deployed in enumerate(vca_deployed_list): + database_entry = "_admin.deployed.VCA.{}.".format(vca_index) + if vca_deployed["step"] == "initial-deploy": + if vca_deployed["operational-status"] in ("active", "blocked"): + step = "execute charm primitive get-ssh-public-key for member_vnf_index={} vdu_id={}" \ + .format(vca_deployed["member-vnf-index"], + vca_deployed["vdu_id"]) + self.logger.debug(logging_text + step) + try: + primitive_id = await self.n2vc.ExecutePrimitive( + vca_deployed["model"], + vca_deployed["application"], + "get-ssh-public-key", + None, + ) + vca_deployed["step"] = db_nsr_update[database_entry + "step"] = "get-ssh-public-key" + vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\ + primitive_id + db_nsr_update[database_entry + "operational-status"] =\ + vca_deployed["operational-status"] + except PrimitiveDoesNotExist: + ssh_public_key = None + vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\ + "ssh-public-key-obtained" + vca_deployed["ssh-public-key"] = db_nsr_update[database_entry + "ssh-public-key"] =\ + ssh_public_key + step = "charm ssh-public-key for member_vnf_index={} vdu_id={} not needed".format( + vca_deployed["member-vnf-index"], vca_deployed["vdu_id"]) + self.logger.debug(logging_text + step) + + elif vca_deployed["step"] in ("get-ssh-public-key", "retry-get-ssh-public-key"): + primitive_id = vca_deployed["primitive_id"] + primitive_status = await self.n2vc.GetPrimitiveStatus(vca_deployed["model"], + primitive_id) + if primitive_status in ("completed", "failed"): + primitive_result = await self.n2vc.GetPrimitiveOutput(vca_deployed["model"], + primitive_id) + vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] = None + if primitive_status == "completed" and isinstance(primitive_result, dict) and \ + primitive_result.get("pubkey"): + ssh_public_key = primitive_result.get("pubkey") + vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\ + "ssh-public-key-obtained" + vca_deployed["ssh-public-key"] = db_nsr_update[database_entry + "ssh-public-key"] =\ + ssh_public_key + n2vc_key_list.append(ssh_public_key) + step = "charm ssh-public-key for member_vnf_index={} vdu_id={} is '{}'".format( + vca_deployed["member-vnf-index"], vca_deployed["vdu_id"], ssh_public_key) + self.logger.debug(logging_text + step) + else: # primitive_status == "failed": + if vca_deployed["step"] == "get-ssh-public-key": + step = "execute charm primitive generate-ssh-public-key for member_vnf_index="\ + "{} vdu_id={}".format(vca_deployed["member-vnf-index"], + vca_deployed["vdu_id"]) + self.logger.debug(logging_text + step) + vca_deployed["step"] = db_nsr_update[database_entry + "step"] =\ + "generate-ssh-key" + primitive_id = await self.n2vc.ExecutePrimitive( + vca_deployed["model"], + vca_deployed["application"], + "generate-ssh-key", + None, + ) + vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\ + primitive_id + else: # failed for second time + raise LcmException( + "error executing primitive get-ssh-public-key: {}".format(primitive_result)) + + elif vca_deployed["step"] == "generate-ssh-key": + primitive_id = vca_deployed["primitive_id"] + primitive_status = await self.n2vc.GetPrimitiveStatus(vca_deployed["model"], + primitive_id) + if primitive_status in ("completed", "failed"): + primitive_result = await self.n2vc.GetPrimitiveOutput(vca_deployed["model"], + primitive_id) + vca_deployed["primitive_id"] = db_nsr_update[ + database_entry + "primitive_id"] = None + if primitive_status == "completed": + step = "execute primitive get-ssh-public-key again for member_vnf_index={} "\ + "vdu_id={}".format(vca_deployed["member-vnf-index"], + vca_deployed["vdu_id"]) + self.logger.debug(logging_text + step) + vca_deployed["step"] = db_nsr_update[database_entry + "step"] = \ + "retry-get-ssh-public-key" + primitive_id = await self.n2vc.ExecutePrimitive( + vca_deployed["model"], + vca_deployed["application"], + "get-ssh-public-key", + None, + ) + vca_deployed["primitive_id"] = db_nsr_update[database_entry + "primitive_id"] =\ + primitive_id + + else: # primitive_status == "failed": + raise LcmException("error executing primitive generate-ssh-key: {}" + .format(primitive_result)) + + if vca_deployed["step"] != "ssh-public-key-obtained": + all_active = False + + if all_active: + break + await asyncio.sleep(5) + else: # total_deploy_timeout + raise LcmException("Timeout waiting charm to be initialized for member_vnf_index={} vdu_id={}" + .format(vca_deployed["member-vnf-index"], vca_deployed["vdu_id"])) + + # deploy RO # get vnfds, instantiate at RO - for vnfd_id, vnfd in db_vnfds.items(): + 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']] vnfd_ref = vnfd["id"] - step = db_nsr_update["detailed-status"] = "Creating vnfd={} at RO".format(vnfd_ref) + step = db_nsr_update["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, vnfd_ref[:23]) - descriptor_id_2_RO[vnfd_ref] = vnfd_id_RO + 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 - vnfd_list = await RO.get_list("vnfd", filter_by={"osm_id": vnfd_id_RO}) + 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: - 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"])) + 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) - 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"])) + 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) # create nsd at RO @@ -634,9 +1112,8 @@ class NsLcm(LcmBase): # 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}) + 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( @@ -647,9 +1124,14 @@ class NsLcm(LcmBase): 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) + 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)) @@ -657,23 +1139,23 @@ class NsLcm(LcmBase): # 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") + RO_nsr_id = deep_get(db_nsr, ("_admin", "deployed", "RO", "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) + 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 = RO.check_ns_status(desc) + 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["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) + 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["detailed-status"] = "Checking dependencies" @@ -699,12 +1181,13 @@ class NsLcm(LcmBase): # 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]) + n2vc_key_list.append(n2vc_key) + RO_ns_params = self.ns_params_2_RO(ns_params, nsd, db_vnfds_ref, n2vc_key_list) - 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) + step = db_nsr_update["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" @@ -712,14 +1195,14 @@ class NsLcm(LcmBase): 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) + step = ns_status_detailed = detailed_status = "Waiting VIM to deploy ns. 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 + 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": @@ -727,7 +1210,6 @@ class NsLcm(LcmBase): elif ns_status == "ACTIVE": step = detailed_status = "Waiting for management IP address reported by the VIM. Updating VNFRs" try: - # nsr_lcm["nsr_ip"] = RO.get_ns_vnf_info(desc) self.ns_update_vnfr(db_vnfrs, desc) break except LcmExceptionNoMgmtIP: @@ -744,143 +1226,227 @@ class NsLcm(LcmBase): step = "Updating NSR" self.ns_update_nsr(db_nsr_update, db_nsr, desc) + db_nsr_update["operational-status"] = "running" 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(vnf_index, vdu_id, 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' - vdu_id_text = "vnfd" - if vdu_id: - vdu_id_text = vdu_id - application_name = self.n2vc.FormatApplicationName( - nsr_name, - vnf_index, - vdu_id_text - ) - if not nsr_lcm.get("VCA"): - nsr_lcm["VCA"] = {} - nsr_lcm["VCA"][application_name] = db_nsr_update["_admin.deployed.VCA.{}".format(application_name)] = { - "member-vnf-index": vnf_index, - "vdu_id": vdu_id, - "model": model_name, - "application": application_name, - "operational-status": "init", - "detailed-status": "", - "vnfd_id": vnfd_id, - } - 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"] = nsr_lcm["VCA"] - 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" + # Configure proxy charms once VMs are up + for vca_index, vca_deployed in enumerate(vca_deployed_list): + vnf_index = vca_deployed.get("member-vnf-index") + vdu_id = vca_deployed.get("vdu_id") + vdu_name = None + vdu_count_index = None + + step = "executing proxy charm initial primitives for member_vnf_index={} vdu_id={}".format(vnf_index, + vdu_id) + add_params = {} + initial_config_primitive_list = [] + if vnf_index: + if db_vnfrs[vnf_index].get("additionalParamsForVnf"): + add_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy() + vnfd = db_vnfds_index[vnf_index] + + if vdu_id: + for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')): + if vdu["id"] == vdu_id: + initial_config_primitive_list = vdu['vdu-configuration'].get( + 'initial-config-primitive', []) + break + else: + raise LcmException("Not found vdu_id={} at vnfd:vdu".format(vdu_id)) + 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)) + add_params["rw_mgmt_ip"] = vdur["ip-address"] + else: + add_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"] + initial_config_primitive_list = vnfd["vnf-configuration"].get('initial-config-primitive', []) + else: + if db_nsr.get("additionalParamsForNs"): + add_params = db_nsr["additionalParamsForNs"].copy() + for k, v in add_params.items(): + if isinstance(v, str) and v.startswith("!!yaml "): + add_params[k] = yaml.safe_load(v[7:]) + add_params["rw_mgmt_ip"] = None + initial_config_primitive_list = nsd["ns-configuration"].get('initial-config-primitive', []) + + # add primitive verify-ssh-credentials to the list after config only when is a vnf or vdu charm + initial_config_primitive_list = initial_config_primitive_list.copy() + if initial_config_primitive_list and vnf_index and vca_deployed.get("ssh-public-key"): + initial_config_primitive_list.insert(1, {"name": "verify-ssh-credentials", "parameter": []}) + + for initial_config_primitive in initial_config_primitive_list: + primitive_params_ = self._map_primitive_params(initial_config_primitive, {}, add_params) + self.logger.debug(logging_text + step + " primitive '{}' params '{}'" + .format(initial_config_primitive["name"], primitive_params_)) + primitive_result, primitive_detail = await self._ns_execute_primitive( + db_nsr["_admin"]["deployed"], vnf_index, vdu_id, vdu_name, vdu_count_index, + initial_config_primitive["name"], + primitive_params_, + retries=10 if initial_config_primitive["name"] == "verify-ssh-credentials" else 0, + retries_interval=30) + if primitive_result != "COMPLETED": + raise LcmException("charm error executing primitive {} for member_vnf_index={} vdu_id={}: '{}'" + .format(initial_config_primitive["name"], vca_deployed["member-vnf-index"], + vca_deployed["vdu_id"], primitive_detail)) + + # Deploy native charms + step = "Looking for needed vnfd to configure with native charm" self.logger.debug(logging_text + step) - for c_vnf in nsd.get("constituent-vnfd", ()): + 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] + # Get additional parameters + vnfr_params = {} + if db_vnfrs[vnf_index].get("additionalParamsForVnf"): + vnfr_params = db_vnfrs[vnf_index]["additionalParamsForVnf"].copy() + for k, v in vnfr_params.items(): + if isinstance(v, str) and v.startswith("!!yaml "): + vnfr_params[k] = yaml.safe_load(v[7:]) + # Check if this VNF has a charm configuration vnf_config = vnfd.get("vnf-configuration") - if vnf_config and vnf_config.get("juju"): + native_charm = vnf_config["juju"].get("proxy") is False proxy_charm = vnf_config["juju"]["charm"] - config_primitive = None + if native_charm and proxy_charm: + if not vca_model_name: + step = "creating VCA model name '{}'".format(nsr_id) + self.logger.debug(logging_text + step) + await self.n2vc.CreateNetworkService(nsr_id) + vca_model_name = nsr_id + db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id + self.update_db_2("nsrs", nsr_id, db_nsr_update) + step = "deploying native charm for vnf_member_index={}".format(vnf_index) + self.logger.debug(logging_text + step) - if proxy_charm: - if 'initial-config-primitive' in vnf_config: - config_primitive = vnf_config['initial-config-primitive'] + vnfr_params["rw_mgmt_ip"] = db_vnfrs[vnf_index]["ip-address"] + charm_params = { + "user_values": vnfr_params, + "rw_mgmt_ip": db_vnfrs[vnf_index]["ip-address"], + "initial-config-primitive": vnf_config.get('initial-config-primitive') or {}, + } + + # 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 vnf_config.get("initial-config-primitive"): + for param in vnf_config["initial-config-primitive"][0].get("parameter", ()): + if param["name"] == "ssh-username": + charm_params["username"] = param["value"] + if vnf_config.get("config-access") and vnf_config["config-access"].get("ssh-access"): + if vnf_config["config-access"]["ssh-access"].get("required"): + charm_params["username"] = vnf_config["config-access"]["ssh-access"].get("default-user") # 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(vnf_index, None, db_vnfrs[vnf_index]["ip-address"], n2vc_info, config_primitive) + + deploy_charm(vnf_index, None, None, None, charm_params, n2vc_info, native_charm) number_to_configure += 1 # Deploy charms for each VDU that supports one. - vdu_index = 0 - for vdu in vnfd.get('vdu', ()): + for vdu_index, vdu in enumerate(get_iterable(vnfd, 'vdu')): vdu_config = vdu.get('vdu-configuration') - proxy_charm = None - config_primitive = None + native_charm = False if vdu_config and vdu_config.get("juju"): + native_charm = vdu_config["juju"].get("proxy") is False proxy_charm = vdu_config["juju"]["charm"] + if native_charm and proxy_charm: + if not vca_model_name: + step = "creating VCA model name" + await self.n2vc.CreateNetworkService(nsr_id) + vca_model_name = nsr_id + db_nsr_update["_admin.deployed.VCA-model-name"] = nsr_id + self.update_db_2("nsrs", nsr_id, db_nsr_update) + step = "deploying native charm for vnf_member_index={} vdu_id={}".format(vnf_index, + vdu["id"]) + + self.logger.debug(logging_text + step) - if 'initial-config-primitive' in vdu_config: - config_primitive = vdu_config['initial-config-primitive'] + 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)) + vnfr_params["rw_mgmt_ip"] = vdur["ip-address"] + charm_params = { + "user_values": vnfr_params, + "rw_mgmt_ip": vdur["ip-address"], + "initial-config-primitive": vdu_config.get('initial-config-primitive') or {} + } + + # 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 vdu_config.get("initial-config-primitive"): + for param in vdu_config["initial-config-primitive"][0].get("parameter", ()): + if param["name"] == "ssh-username": + charm_params["username"] = param["value"] + if vdu_config.get("config-access") and vdu_config["config-access"].get("ssh-access"): + if vdu_config["config-access"]["ssh-access"].get("required"): + charm_params["username"] = vdu_config["config-access"]["ssh-access"].get( + "default-user") - if proxy_charm: - step = "connecting to N2VC to configure vdu {} from vnf {}".format(vdu["id"], vnf_index) await self.n2vc.login() - deploy(vnf_index, vdu["id"], db_vnfrs[vnf_index]["vdur"][vdu_index]["ip-address"], - n2vc_info, config_primitive) + + deploy_charm(vnf_index, vdu["id"], vdur.get("name"), vdur["count-index"], + charm_params, n2vc_info, native_charm) number_to_configure += 1 - vdu_index += 1 - db_nsr_update["operational-status"] = "running" + # Check if this NS has a charm configuration + + ns_config = nsd.get("ns-configuration") + if ns_config and ns_config.get("juju"): + native_charm = ns_config["juju"].get("proxy") is False + proxy_charm = ns_config["juju"]["charm"] + if native_charm and proxy_charm: + step = "deploying native charm to configure ns" + # TODO is NS magmt IP address needed? + + # Get additional parameters + additional_params = {} + if db_nsr.get("additionalParamsForNs"): + additional_params = db_nsr["additionalParamsForNs"].copy() + for k, v in additional_params.items(): + if isinstance(v, str) and v.startswith("!!yaml "): + additional_params[k] = yaml.safe_load(v[7:]) + + # additional_params["rw_mgmt_ip"] = db_nsr["ip-address"] + charm_params = { + "user_values": additional_params, + "rw_mgmt_ip": db_nsr.get("ip-address"), + "initial-config-primitive": ns_config.get('initial-config-primitive') or {} + } + + # 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 ns_config.get("initial-config-primitive"): + for param in ns_config["initial-config-primitive"][0].get("parameter", ()): + if param["name"] == "ssh-username": + charm_params["username"] = param["value"] + if ns_config.get("config-access") and ns_config["config-access"].get("ssh-access"): + if ns_config["config-access"]["ssh-access"].get("required"): + charm_params["username"] = ns_config["config-access"]["ssh-access"].get("default-user") + + # Login to the VCA. If there are multiple calls to login(), + # subsequent calls will be a nop and return immediately. + await self.n2vc.login() + deploy_charm(None, None, None, None, charm_params, n2vc_info, native_charm) + number_to_configure += 1 + + # waiting all charms are ok configuration_failed = False if number_to_configure: + step = "Waiting all charms are active" old_status = "configuring: init: {}".format(number_to_configure) db_nsr_update["config-status"] = old_status db_nsr_update["detailed-status"] = old_status @@ -892,38 +1458,38 @@ class NsLcm(LcmBase): 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 + # TODO add a fake task 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_info in nsr_lcm["VCA"].items(): - vca_status = vca_info["operational-status"] + 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_info.pop("time_first_error", None) - vca_info.pop("status_first_error", None) + 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_info["detailed-status-error"] = vca_info["detailed-status"] + vca_deployed["detailed-status-error"] = vca_deployed["detailed-status"] # if not first time in this status error - if not vca_info.get("time_first_error"): - vca_info["time_first_error"] = now + if not vca_deployed.get("time_first_error"): + vca_deployed["time_first_error"] = now continue - if vca_info.get("time_first_error") and \ - now <= vca_info["time_first_error"] + self.timeout_vca_on_error: + 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_info["member-vnf-index"], - vca_info["vdu_id"], vca_status, - vca_info["detailed-status-error"])) + .format(vca_deployed["member-vnf-index"], + vca_deployed["vdu_id"], vca_status, + vca_deployed["detailed-status-error"])) if all_active: break @@ -979,118 +1545,449 @@ class NsLcm(LcmBase): 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) + try: + 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) + 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}) + "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 _destroy_charm(self, model, application): + """ + Order N2VC destroy a charm + :param model: + :param application: + :return: True if charm does not exist. False if it exist + """ + if not await self.n2vc.HasApplication(model, application): + return True # Already removed + await self.n2vc.RemoveCharms(model, application) + return False + + async def _wait_charm_destroyed(self, model, application, timeout): + """ + Wait until charm does not exist + :param model: + :param application: + :param timeout: + :return: True if not exist, False if timeout + """ + while True: + if not await self.n2vc.HasApplication(model, application): + return True + if timeout < 0: + return False + await asyncio.sleep(10) + timeout -= 10 + + # 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 _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"] + result, result_detail = await self._ns_execute_primitive( + nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive, + mapped_primitive_params) + + # 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)) + 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 - vca_task_list = [] - vca_task_dict = {} + vca_time_destroy = None # time of where destroy charm order db_nsr_update = {"_admin.nslcmop": nslcmop_id} db_nslcmop_update = {} nslcmop_operation_state = None + autoremove = False # autoremove after terminated 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_lcm = deepcopy(db_nsr["_admin"].get("deployed")) + 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"] + # Call internal terminate action + await self._terminate_action(db_nslcmop, nslcmop_id, nsr_id) db_nsr_update["operational-status"] = "terminating" db_nsr_update["config-status"] = "terminating" - if nsr_lcm and nsr_lcm.get("VCA"): + if nsr_deployed and nsr_deployed.get("VCA-model-name"): + vca_model_name = nsr_deployed["VCA-model-name"] + step = "deleting VCA model name '{}' and all charms".format(vca_model_name) + self.logger.debug(logging_text + step) + try: + await self.n2vc.DestroyNetworkService(vca_model_name) + except NetworkServiceDoesNotExist: + pass + db_nsr_update["_admin.deployed.VCA-model-name"] = None + if nsr_deployed.get("VCA"): + for vca_index in range(0, len(nsr_deployed["VCA"])): + db_nsr_update["_admin.deployed.VCA.{}".format(vca_index)] = None + self.update_db_2("nsrs", nsr_id, db_nsr_update) + # for backward compatibility if charm have been created with "default" model name delete one by one + elif 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 application_name, deploy_info in nsr_lcm["VCA"].items(): - if deploy_info: # TODO it would be desirable having a and deploy_info.get("deployed"): - task = asyncio.ensure_future( - self.n2vc.RemoveCharms( - deploy_info['model'], - application_name, - # self.n2vc_callback, - # db_nsr, - # db_nslcmop, - ) - ) - vca_task_list.append(task) - vca_task_dict[application_name] = task - # task.add_done_callback(functools.partial(self.n2vc_callback, deploy_info['model'], - # deploy_info['application'], None, db_nsr, - # db_nslcmop, vnf_index)) - self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "delete_charm:" + application_name, task) + # 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: + if await self._destroy_charm(vca_deployed['model'], vca_deployed["application"]): + vca_deployed.clear() + db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None + else: + vca_time_destroy = time() 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_lcm and nsr_lcm.get("RO"): - RO_nsr_id = nsr_lcm["RO"].get("nsr_id") - RO_delete_action = nsr_lcm["RO"].get("nsr_delete_action_id") + 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" + 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 RO.delete("ns", RO_nsr_id) + 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={}".format(RO_nsr_id) + 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 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) + 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) - 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 + 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") @@ -1098,6 +1995,7 @@ class NsLcm(LcmBase): 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)) @@ -1109,12 +2007,12 @@ class NsLcm(LcmBase): RO_fail = True # Delete nsd - if not RO_fail and nsr_lcm and nsr_lcm.get("RO") and nsr_lcm["RO"].get("nsd_id"): - RO_nsd_id = nsr_lcm["RO"]["nsd_id"] + 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) + "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: @@ -1130,19 +2028,21 @@ class NsLcm(LcmBase): self.logger.error(logging_text + failed_detail[-1]) RO_fail = True - if not RO_fail and nsr_lcm and nsr_lcm.get("RO") and nsr_lcm["RO"].get("vnfd_id"): - for vnf_id, RO_vnfd_id in nsr_lcm["RO"]["vnfd_id"].items(): - if not RO_vnfd_id: + 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 vnfd={} at RO".format(vnf_id) - await RO.delete("vnfd", RO_vnfd_id) + "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(vnf_id)] = None + 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(vnf_id)] = None + 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)) @@ -1151,25 +2051,23 @@ class NsLcm(LcmBase): 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"] =\ + # wait until charm deleted + if vca_time_destroy: + db_nsr_update["detailed-status"] = db_nslcmop_update["detailed-status"] = step = \ "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[{}] Deletion has been cancelled".format(application_name)) - elif task.done(): - exc = task.exception() - if exc: - failed_detail.append("VCA[{}] Deletion exception: {}".format(application_name, exc)) + for vca_index, vca_deployed in enumerate(nsr_deployed["VCA"]): + if not vca_deployed: + continue + step = "Waiting for deletion of charm application_name={}".format(vca_deployed["application"]) + timeout = self.timeout_charm_delete - int(time() - vca_time_destroy) + if not await self._wait_charm_destroyed(vca_deployed['model'], vca_deployed["application"], + timeout): + failed_detail.append("VCA[application_name={}] Deletion timeout".format( + vca_deployed["application"])) else: - db_nsr_update["_admin.deployed.VCA.{}".format(application_name)] = None - else: # timeout - # TODO Should it be cancelled?!! - task.cancel() - failed_detail.append("VCA[{}] Deletion timeout".format(application_name)) + db_nsr["_admin.deployed.VCA.{}".format(vca_index)] = None if failed_detail: self.logger.error(logging_text + " ;".join(failed_detail)) @@ -1178,16 +2076,6 @@ class NsLcm(LcmBase): 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" @@ -1195,8 +2083,10 @@ class NsLcm(LcmBase): 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) as e: + except (ROclient.ROClientException, DbException, LcmException) as e: self.logger.error(logging_text + "Exit Exception {}".format(e)) exc = e except asyncio.CancelledError: @@ -1210,78 +2100,135 @@ class NsLcm(LcmBase): 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) + 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 + 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}) + "operationState": nslcmop_operation_state, + "autoremove": autoremove}, + 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_terminate") - async def _ns_execute_primitive(self, db_deployed, nsr_name, member_vnf_index, vdu_id, primitive, primitive_params): - - vdu_id_text = "vnfd" - if vdu_id: - vdu_id_text = vdu_id - application_name = self.n2vc.FormatApplicationName( - nsr_name, - member_vnf_index, - vdu_id_text - ) - vca_deployed = db_deployed["VCA"].get(application_name) - if not vca_deployed: - raise LcmException("charm for member_vnf_index={} vdu_id={} is not deployed".format(member_vnf_index, - vdu_id)) - 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={} is not properly deployed".format(member_vnf_index)) - if vca_deployed["operational-status"] != "active": - raise LcmException("charm for member_vnf_index={} operational_status={} not 'active'".format( - member_vnf_index, 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) + @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(parameter["default-value"], 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): + start_primitive_time = time() + 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: - # 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 + 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() + if primitive == "config": + primitive_params = {"params": primitive_params} + while retries >= 0: + primitive_id = await self.n2vc.ExecutePrimitive( + model_name, + application_name, + primitive, + callback, + *callback_args, + **primitive_params + ) + while time() - start_primitive_time < self.timeout_primitive: + primitive_result_ = await self.n2vc.GetPrimitiveStatus(model_name, primitive_id) + if primitive_result_ in ("completed", "failed"): + primitive_result = "COMPLETED" if primitive_result_ == "completed" else "FAILED" + detailed_result = await self.n2vc.GetPrimitiveOutput(model_name, primitive_id) + break + elif primitive_result_ is None and primitive == "config": + primitive_result = "COMPLETED" + detailed_result = None + break + else: # ("running", "pending", None): + pass + await asyncio.sleep(5) + else: + raise LcmException("timeout after {} seconds".format(self.timeout_primitive)) + if primitive_result == "COMPLETED": + break + retries -= 1 + if retries >= 0: + await asyncio.sleep(retries_interval) + + return primitive_result, detailed_result + except (N2VCPrimitiveExecutionFailed, LcmException) as e: + return "FAILED", str(e) 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 @@ -1290,33 +2237,80 @@ class NsLcm(LcmBase): db_nsr_update = {"_admin.nslcmop": nslcmop_id} 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_lcm = db_nsr["_admin"].get("deployed") - nsr_name = db_nsr["name"] - vnf_index = db_nslcmop["operationParams"]["member_vnf_index"] + + 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") + + 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"]}) - # 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_lcm, nsr_name, vnf_index, vdu_id, primitive, - primitive_params) - db_nslcmop_update["detailed-status"] = result_detail + + # 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 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("additionalParamsForVnf"): + desc_params.update(db_nsr["additionalParamsForNs"]) + + # TODO check if ns is in a proper status + result, result_detail = await self._ns_execute_primitive( + nsr_deployed, vnf_index, vdu_id, vdu_name, vdu_count_index, primitive, + self._map_primitive_params(config_primitive_desc, primitive_params, desc_params)) + db_nslcmop_update["detailed-status"] = nslcmop_operation_state_detail = 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)) @@ -1333,25 +2327,37 @@ class NsLcm(LcmBase): 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["detailed-status"] = nslcmop_operation_state_detail = \ + "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) + try: + 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) + 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}) + "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 @@ -1367,38 +2373,39 @@ class NsLcm(LcmBase): 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"] - - # 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" + # self.logger.debug(step) db_nsr_update["operational-status"] = "scaling" self.update_db_2("nsrs", nsr_id, db_nsr_update) - nsr_lcm = db_nsr["_admin"].get("deployed") - RO_nsr_id = nsr_lcm["RO"]["nsr_id"] + 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: @@ -1406,6 +2413,7 @@ class NsLcm(LcmBase): 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) @@ -1413,7 +2421,7 @@ class NsLcm(LcmBase): # break # TODO check if ns is in a proper status - step = "Sending scale order to RO" + 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}]}) @@ -1430,18 +2438,21 @@ class NsLcm(LcmBase): 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 + 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 @@ -1450,7 +2461,7 @@ class NsLcm(LcmBase): 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 + nb_scale_op -= 1 vdu_scaling_info["scaling_direction"] = "IN" vdu_scaling_info["vdu-delete"] = {} for vdu_scale_info in scaling_descriptor["vdu"]: @@ -1478,145 +2489,203 @@ class NsLcm(LcmBase): }) vdu_delete = vdu_scaling_info.pop("vdu-delete") - # execute primitive service PRE-SCALING + # 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") and scaling_config_action["trigger"] == "pre-scale-in" \ - and scaling_type == "SCALE_IN": + 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 - 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'] == "": - 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-" + "[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" - result, result_detail = await self._ns_execute_primitive(nsr_lcm, vnf_index, - vnf_config_primitive, primitive_params) - self.logger.debug(logging_text + "vnf_config_primitive={} Done with result {} {}".format( - vnf_config_primitive, result, result_detail)) + 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" - 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) + # 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: - 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_lcm["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 + # 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: - 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) + 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: - 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"), + 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": [] }) - del vdu_scaling_info["vdu-create"] + 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") and scaling_config_action["trigger"] == "post-scale-out" \ - and scaling_type == "SCALE_OUT": + 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 - 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'] == "": - 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='{}']:" @@ -1625,21 +2694,53 @@ class NsLcm(LcmBase): 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) - result, result_detail = await self._ns_execute_primitive(nsr_lcm, vnf_index, - 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 + # 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"] = old_operational_status + 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: @@ -1669,15 +2770,19 @@ class NsLcm(LcmBase): 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) + 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 + 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}) + "operationState": nslcmop_operation_state}, + loop=self.loop) # if cooldown_time: # await asyncio.sleep(cooldown_time) # await self.msg.aiowrite("ns","scaled-cooldown-time", {"nsr_id": nsr_id, "nslcmop_id": nslcmop_id})