Esempio n. 1
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    def translate(self, plan):
        """Translate the plan to a format the solver can use"""
        # Update the translation field and set status to TRANSLATED.
        try:
            LOG.info(_LI("Requesting plan {} translation").format(plan.id))
            template_version = plan.template.get("homing_template_version")
            if template_version in VERSIONS['BASE']:
                trns = Translator(self.conf, plan.name, plan.id, plan.template)
            elif template_version in VERSIONS['GENERIC']:
                trns = GenericObjectiveTranslator(self.conf, plan.name,
                                                  plan.id, plan.template,
                                                  self.opt_schema)
            else:
                raise TranslatorException(
                    "conductor_template_version must be one "
                    "of: {}".format(', '.join(
                        [x for v in VERSIONS.values() for x in v])))

            trns.translate()

            if trns.ok:
                plan.translation = trns.translation
                plan.status = self.Plan.TRANSLATED
                LOG.info(
                    _LI("Plan {} translated. Ready for solving").format(
                        plan.id))
                LOG.info(_LI("Plan name: {}").format(plan.name))
            else:
                plan.message = trns.error_message
                plan.status = self.Plan.ERROR
                LOG.error(
                    _LE("Plan {} translation error encountered").format(
                        plan.id))

        except Exception as ex:
            template = "An exception of type {0} occurred, arguments:\n{1!r}"
            plan.message = template.format(type(ex).__name__, ex.args)
            plan.status = self.Plan.ERROR

        _is_success = 'FAILURE'
        while 'FAILURE' in _is_success and (self.current_time_seconds() - self.millisec_to_sec(plan.updated)) \
                <= self.conf.messaging_server.timeout:
            _is_success = plan.update(
                condition=self.translation_owner_condition)
            LOG.info(
                _LI("Changing the template status from translating to {}, "
                    "atomic update response from MUSIC {}").format(
                        plan.status, _is_success))
Esempio n. 2
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    def solve(self, _decision_path, _candidate_list, _request):

        conflict_list = list()
        demand_name = _decision_path.current_demand.name

        LOG.info(
            _LI("Solving constraint {} of type '{}' for demand - [{}]").format(
                self.name, self.constraint_type, demand_name))

        for candidate in _candidate_list:
            for prop in self.properties_list:
                attribute = prop.get('attribute')
                threshold = prop.get('threshold')
                operation = OPERATIONS.get(prop.get('operator'))

                attribute_value = candidate.get(attribute)
                if not attribute_value or not operation(
                        attribute_value, threshold):
                    conflict_list.append(candidate)
                    break

        filtered_candidates = [
            c for c in _candidate_list if c not in conflict_list
        ]

        return filtered_candidates
Esempio n. 3
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    def __init__(self):
        """Initializer."""
        global MUSIC_API

        # set the urllib log level to ERROR
        logging.getLogger('urllib3').setLevel(logging.ERROR)

        LOG.info(_LI("Initializing Music API"))
        server_url = CONF.music_api.server_url.rstrip('/')
        if not server_url:
            # host/port/path are deprecated and should not be used anymore.
            # Defaults removed from oslo_config to give more incentive.

            # No more round robin either. Just take the first entry.
            host = next(iter(CONF.music_api.hostnames or []), 'controller')
            port = CONF.music_api.port or 8080
            path = CONF.music_api.path or '/MUSIC/rest'
            version = CONF.version
            server_url = 'http://{}:{}/{}'.format(host, port, version,
                                                  path.rstrip('/').lstrip('/'))

        kwargs = {
            'server_url': server_url,
            'log_debug': CONF.music_api.debug,
            'connect_timeout': CONF.music_api.connect_timeout,
            'read_timeout': CONF.music_api.read_timeout,
        }
        self.rest = rest.REST(**kwargs)

        if (CONF.music_api.music_new_version):
            MUSIC_version = CONF.music_api.music_version.split(".")

            self.rest.session.headers['content-type'] = 'application/json'
            self.rest.session.headers['X-minorVersion'] = MUSIC_version[1]
            self.rest.session.headers['X-patchVersion'] = MUSIC_version[2]
            self.rest.session.headers['ns'] = CONF.music_api.aafns
            self.rest.session.headers['userId'] = CONF.music_api.aafuser
            self.rest.session.headers['password'] = CONF.music_api.aafpass
            self.rest.session.headers[
                'Authorization'] = basic_auth_util.encode(
                    CONF.music_api.aafuser, CONF.music_api.aafpass)

        self.lock_ids = {}

        # TODO(jdandrea): Allow override at creation time.
        self.lock_timeout = CONF.music_api.lock_timeout
        self.replication_factor = CONF.music_api.replication_factor
        self.music_topology = CONF.music_api.music_topology

        # TODO(larry) make the code more generic
        self.first_datacenter_name = CONF.music_api.first_datacenter_name
        self.first_datacenter_replicas = CONF.music_api.first_datacenter_replicas
        self.second_datacenter_name = CONF.music_api.second_datacenter_name
        self.second_datacenter_replicas = CONF.music_api.second_datacenter_replicas
        self.third_datacenter_name = CONF.music_api.third_datacenter_name
        self.third_datacenter_replicas = CONF.music_api.third_datacenter_replicas

        MUSIC_API = self
Esempio n. 4
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    def get_candidates_with_vim_capacity(self, ctx, arg):
        '''
        RPC for getting candidates with vim capacity
        :param ctx: context
        :param arg: contains input passed from client side for RPC call
        :return: response candidate_list with with required vim capacity
        '''
        error = False
        candidate_list = arg["candidate_list"]
        vim_request = arg["request"]
        vim_list = set()
        discard_set = set()
        for candidate in candidate_list:
            if candidate["inventory_type"] == "cloud":
                vim_list.add(candidate['vim-id'])

        vim_request['VIMs'] = list(vim_list)
        vims_result = self.vc_ext_manager.map_method('check_vim_capacity',
                                                     vim_request)

        if vims_result and len(vims_result) > 0 and vims_result[0] is not None:
            vims_set = set(vims_result[0])
            for candidate in candidate_list:
                # perform this check only for cloud candidates
                if candidate["inventory_type"] == "cloud":
                    if candidate['vim-id'] not in vims_set:
                        discard_set.add(candidate.get("candidate_id"))

            # return candidates not in discard set
            candidate_list[:] = [
                c for c in candidate_list
                if c['candidate_id'] not in discard_set
            ]
        else:
            error = True
            LOG.warn(
                _LI("Multicloud did not respond properly to request: {}".
                    format(vim_request)))

        LOG.info(
            _LI("Candidates with with vim capacity: {}, vim controller: "
                "{}").format(candidate_list,
                             self.vc_ext_manager.names()[0]))

        return {'response': candidate_list, 'error': error}
Esempio n. 5
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    def __init__(self):
        """Initializer."""
        LOG.info(_LI("Initializing Music Mock API"))

        global MUSIC_API

        self.music['keyspaces'] = {}

        MUSIC_API = self
Esempio n. 6
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    def get_item(cls, payload, key):
        try:
            if key is None:
                features = payload
            else:
                features = (payload[key])

            for f in features:
                yield cls(f)
        except KeyError:
            LOG.info(_LI("invalid JSON "))
Esempio n. 7
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    def translate(self, plan):
        """Translate the plan to a format the solver can use"""
        # Update the translation field and set status to TRANSLATED.
        try:
            LOG.info(_LI("Requesting plan {} translation").format(plan.id))
            trns = translator.Translator(self.conf, plan.name, plan.id,
                                         plan.template)
            trns.translate()

            if trns.ok:
                plan.translation = trns.translation
                plan.status = self.Plan.TRANSLATED
                LOG.info(
                    _LI("Plan {} translated. Ready for solving").format(
                        plan.id))
                LOG.info(_LI("Plan name: {}").format(plan.name))
            else:
                plan.message = trns.error_message
                plan.status = self.Plan.ERROR
                LOG.error(
                    _LE("Plan {} translation error encountered").format(
                        plan.id))

        except Exception as ex:
            template = "An exception of type {0} occurred, arguments:\n{1!r}"
            plan.message = template.format(type(ex).__name__, ex.args)
            plan.status = self.Plan.ERROR

        _is_success = 'FAILURE'
        while 'FAILURE' in _is_success and (
                self.current_time_seconds() - self.millisec_to_sec(
                    plan.updated)) <= self.conf.messaging_server.timeout:
            _is_success = plan.update(
                condition=self.translation_owner_condition)
            LOG.info(
                _LI("Changing the template status from translating to {}, "
                    "atomic update response from MUSIC {}").format(
                        plan.status, _is_success))
Esempio n. 8
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    def _get_req_attribute(self, req_attr):
        try:
            c_op = req_attr['operator']
            c_value = req_attr['hpa-attribute-value']
            c_unit = None
            if 'unit' in req_attr:
                c_unit = req_attr['unit']
        except KeyError:
            LOG.info(_LI("invalid JSON "))
            return None

        if c_unit:
            c_value = self._get_normalized_value(c_unit, c_value)
        return c_value, c_op
Esempio n. 9
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    def plan_delete(self, plan):
        ctx = {}
        method = 'plans_delete'

        plan_name = plan.get('name')
        plan_id = plan.get('id')
        LOG.debug('Plan {} (name "{}") deletion requested.'.format(
            plan_id, plan_name))

        args = {'plan_id': plan_id}
        client = pecan.request.controller
        client.call(ctx, method, args)
        LOG.info(
            _LI('Plan {} (name "{}") deleted.').format(plan_id, plan_name))
Esempio n. 10
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    def cast(self, ctxt, method, args):
        """Asynchronous Call"""
        rpc = self.RPC(action=self.RPC.CAST,
                       ctxt=ctxt,
                       method=method,
                       args=args)
        assert (rpc.enqueued)

        rpc_id = rpc.id
        topic = self.target.topic
        LOG.info(_LI("Message {} on topic {} enqueued").format(rpc_id, topic))
        if self.conf.messaging_server.debug:
            LOG.debug("Casting method {} with args {}".format(method, args))

        return rpc_id
Esempio n. 11
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    def get_inventory_group_candidates(self, ctx, arg):
        candidate_list = arg["candidate_list"]
        resolved_candidate = arg["resolved_candidate"]
        candidate_names = []
        error = False
        service_description = 'DHV_VVIG_PAIR'
        results = self.ip_ext_manager.map_method(
            'get_inventory_group_pairs',
            service_description=service_description)
        if not results or len(results) < 1:
            LOG.error(
                _LE("Empty inventory group response for service: {}").format(
                    service_description))
            error = True
        else:
            pairs = results[0]
            if not pairs or len(pairs) < 1:
                LOG.error(
                    _LE("No inventory group candidates found for service: {}, "
                        "inventory provider: {}").format(
                            service_description,
                            self.ip_ext_manager.names()[0]))
                error = True
            else:
                LOG.debug("Inventory group pairs: {}, service: {}, "
                          "inventory provider: {}".format(
                              pairs, service_description,
                              self.ip_ext_manager.names()[0]))
                for pair in pairs:
                    if resolved_candidate.get("candidate_id") == pair[0]:
                        candidate_names.append(pair[1])
                    elif resolved_candidate.get("candidate_id") == pair[1]:
                        candidate_names.append(pair[0])

        candidate_list = [
            c for c in candidate_list if c["candidate_id"] in candidate_names
        ]
        LOG.info(
            _LI("Inventory group candidates: {}, service: {}, "
                "inventory provider: {}").format(
                    candidate_list, service_description,
                    self.ip_ext_manager.names()[0]))
        return {'response': candidate_list, 'error': error}
Esempio n. 12
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 def solve(self, _decision_path, _candidate_list, _request):
     '''
     Solver for Multicloud vim_fit constraint type.
     :param _decision_path: decision tree
     :param _candidate_list: List of candidates
     :param _request: solver request
     :return: candidate_list with selected vim_list
     '''
     # call conductor engine with request parameters
     cei = _request.cei
     demand_name = _decision_path.current_demand.name
     vim_request = self.properties.get('request')
     LOG.info(
         _LI("Solving constraint type '{}' for demand - [{}]").format(
             self.constraint_type, demand_name))
     response = (cei.get_candidates_with_vim_capacity(
         _candidate_list, vim_request))
     if response:
         _candidate_list = response
     return _candidate_list
Esempio n. 13
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    def get_candidate_zone(self, ctx, arg):
        candidate = arg["candidate"]
        category = arg["category"]
        zone = None
        error = False

        if category == 'region':
            zone = candidate['location_id']
        elif category == 'complex':
            zone = candidate['complex_name']
        elif category == 'country':
            zone = candidate['country']
        else:
            error = True

        if error:
            LOG.error(_LE("Unresolvable zone category {}").format(category))
        else:
            LOG.info(_LI("Candidate zone is {}").format(zone))
        return {'response': zone, 'error': error}
Esempio n. 14
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    def plan_create(self, args):
        ctx = {}
        method = 'plan_create'

        # TODO(jdandrea): Enhance notario errors to use similar syntax
        # valid_keys = ['files', 'id', 'limit', 'name',
        #               'template', 'template_url', 'timeout']
        # if not set(args.keys()).issubset(valid_keys):
        #     invalid = [name for name in args if name not in valid_keys]
        #     invalid_str = ', '.join(invalid)
        #     error('/errors/invalid',
        #           _('Invalid keys found: {}').format(invalid_str))
        # required_keys = ['template']
        # if not set(required_keys).issubset(args):
        #     required = [name for name in required_keys if name not in args]
        #     required_str = ', '.join(required)
        #     error('/errors/invalid',
        #           _('Missing required keys: {}').format(required_str))

        LOG.debug('Plan creation requested (name "{}").'.format(
            args.get('name')))

        client = pecan.request.controller

        transaction_id = pecan.request.headers.get('transaction-id')
        if transaction_id:
            args['template']['transaction-id'] = transaction_id

        result = client.call(ctx, method, args)
        plan = result and result.get('plan')

        if plan:
            plan_name = plan.get('name')
            plan_id = plan.get('id')
            plan['links'] = [self.plan_link(plan_id)]
            LOG.info(
                _LI('Plan {} (name "{}") created.').format(plan_id, plan_name))

        return plan
Esempio n. 15
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File: hpa.py Progetto: onap/optf-has
    def solve(self, _decision_path, _candidate_list, _request):
        '''
        Solver for HPA constraint type.
        :param _decision_path: decision tree
        :param _candidate_list: List of candidates
        :param _request: solver request
        :return: candidate_list with hpa features and flavor label mapping
        '''
        # call conductor engine with request parameters
        cei = _request.cei
        demand_name = _decision_path.current_demand.name
        LOG.info(_LI("Solving constraint type '{}' for demand - [{}]").format(
            self.constraint_type, demand_name))
        vm_label_list = self.properties.get('evaluate')
        for vm_demand in vm_label_list:
            id = vm_demand['id']
            type = vm_demand['type']
            directives = vm_demand['directives']
            flavorProperties = vm_demand['flavorProperties']
            response = (cei.get_candidates_with_hpa(id,
                                                    type,
                                                    directives,
                                                    _candidate_list,
                                                    flavorProperties))
            _candidate_list = response
            if not response:
                LOG.error(_LE("No matching candidates for HPA exists").format(
                    id))

                # Metrics to Prometheus
                PC.HPA_CLOUD_REGION_UNSUCCESSFUL.labels('ONAP', 'N/A',
                                                        'ALL').inc()
                break
                # No need to continue.

        return _candidate_list
Esempio n. 16
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 def initialize(self):
     LOG.info(_LI("**** Initializing Multicloud Vim controller *****"))
     self._init_rest_request()
Esempio n. 17
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    def get_candidates_with_hpa(self, ctx, arg):
        '''
        RPC for getting candidates flavor mapping for matching hpa
        :param ctx: context
        :param arg: contains input passed from client side for RPC call
        :return: response candidate_list with matching label to flavor mapping
        '''
        error = False
        candidate_list = arg["candidate_list"]
        id = arg["id"]
        type = arg["type"]
        directives = arg["directives"]
        attr = directives[0].get("attributes")
        label_name = attr[0].get("attribute_name")
        flavorProperties = arg["flavorProperties"]
        discard_set = set()
        for i in range(len(candidate_list)):
            # perform this check only for cloud candidates
            if candidate_list[i]["inventory_type"] != "cloud":
                continue

            # Check if flavor mapping for current label_name already
            # exists. This is an invalid condition.
            if candidate_list[i].get(
                    "directives") and attr[0].get("attribute_value") != "":
                LOG.error(
                    _LE("Flavor mapping for label name {} already"
                        "exists").format(label_name))
                continue

            # RPC call to inventory provider for matching hpa capabilities
            results = self.ip_ext_manager.map_method(
                'match_hpa',
                candidate=candidate_list[i],
                features=flavorProperties)

            flavor_name = None
            if results and len(results) > 0 and results[0] is not None:
                LOG.debug("Find results {} and results length {}".format(
                    results, len(results)))
                flavor_info = results[0].get("flavor_map")
                req_directives = results[0].get("directives")
                LOG.debug("Get directives {}".format(req_directives))

            else:
                flavor_info = None
                LOG.info(
                    _LW("No flavor mapping returned by "
                        "inventory provider: {} for candidate: {}").format(
                            self.ip_ext_manager.names()[0],
                            candidate_list[i].get("candidate_id")))

            # Metrics to Prometheus
            m_vim_id = candidate_list[i].get("vim-id")
            if not flavor_info:
                discard_set.add(candidate_list[i].get("candidate_id"))
                PC.HPA_CLOUD_REGION_UNSUCCESSFUL.labels(
                    'ONAP', 'N/A', m_vim_id).inc()
            else:
                if not flavor_info.get("flavor-name"):
                    discard_set.add(candidate_list[i].get("candidate_id"))
                    PC.HPA_CLOUD_REGION_UNSUCCESSFUL.labels(
                        'ONAP', 'N/A', m_vim_id).inc()
                else:
                    if not candidate_list[i].get("flavor_map"):
                        candidate_list[i]["flavor_map"] = {}
                    # Create flavor mapping for label_name to flavor
                    flavor_name = flavor_info.get("flavor-name")
                    flavor_id = flavor_info.get("flavor-id")
                    candidate_list[i]["flavor_map"][label_name] = flavor_name
                    candidate_list[i]["flavor_map"]["flavorId"] = flavor_id
                    # Create directives if not exist already
                    if not candidate_list[i].get("all_directives"):
                        candidate_list[i]["all_directives"] = {}
                        candidate_list[i]["all_directives"]["directives"] = []
                    # Create flavor mapping and merge directives
                    self.merge_directives(candidate_list, i, id, type,
                                          directives, req_directives)
                    if not candidate_list[i].get("hpa_score"):
                        candidate_list[i]["hpa_score"] = 0
                    candidate_list[i]["hpa_score"] += flavor_info.get("score")

                    # Metrics to Prometheus
                    PC.HPA_CLOUD_REGION_SUCCESSFUL.labels(
                        'ONAP', 'N/A', m_vim_id).inc()

        # return candidates not in discard set
        candidate_list[:] = [
            c for c in candidate_list if c['candidate_id'] not in discard_set
        ]
        LOG.info(
            _LI("Candidates with matching hpa capabilities: {}, "
                "inventory provider: {}").format(
                    candidate_list,
                    self.ip_ext_manager.names()[0]))
        return {'response': candidate_list, 'error': error}
Esempio n. 18
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    def run(self):
        """Run"""
        LOG.debug("{}".format(self.__class__.__name__))
        # TODO(snarayanan): This is really meant to be a control loop
        # As long as self.running is true, we process another request.

        while self.running:

            # Delay time (Seconds) for MUSIC requests.
            time.sleep(self.conf.delay_time)

            # plans = Plan.query().all()
            # Find the first plan with a status of TRANSLATED.
            # Change its status to SOLVING.
            # Then, read the "translated" field as "template".
            json_template = None
            p = None

            requests_to_solve = dict()
            regions_maps = dict()
            country_groups = list()

            # Instead of using the query.all() method, now creating an index for 'status'
            # field in conductor.plans table, and query plans by status columns
            translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
            solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)

            # combine the plans with status = 'translated' and 'solving' together
            plans = translated_plans + solving_plans

            found_translated_template = False

            for p in plans:
                if p.status == self.Plan.TRANSLATED:
                    json_template = p.translation
                    found_translated_template = True
                    break
                elif p.status == self.Plan.SOLVING and (self.current_time_seconds()
                                                        - self.millisec_to_sec(p.updated)) > self.conf.solver.timeout:
                    p.status = self.Plan.TRANSLATED
                    p.update(condition=self.solving_status_condition)
                    break

            if not json_template:
                if found_translated_template:
                    message = _LE("Plan {} status is translated, yet "
                                  "the translation wasn't found").format(p.id)
                    LOG.error(message)
                    p.status = self.Plan.ERROR
                    p.message = message
                    p.update(condition=self.translated_status_condition)
                continue

            if found_translated_template and p and p.solver_counter >= self.conf.solver.max_solver_counter:
                message = _LE("Tried {} times. Plan {} is unable to solve").format(self.conf.solver.max_solver_counter,
                                                                                   p.id)
                LOG.error(message)
                p.status = self.Plan.ERROR
                p.message = message
                p.update(condition=self.translated_status_condition)
                continue

            log_util.setLoggerFilter(LOG, self.conf.keyspace, p.id)

            p.status = self.Plan.SOLVING
            p.solver_counter += 1
            p.solver_owner = socket.gethostname()

            _is_updated = p.update(condition=self.translated_status_condition)
            if not _is_updated:
                continue

            # other VMs have updated the status and start solving the plan
            if 'FAILURE' in _is_updated:
                continue

            LOG.info(_LI("Sovling starts, changing the template status from translated to solving, "
                         "atomic update response from MUSIC {}").format(_is_updated))

            LOG.info(_LI("Plan {} with request id {} is solving by machine {}. Tried to solve it for {} times.").
                     format(p.id, p.name, p.solver_owner, p.solver_counter))

            _is_success = "FAILURE"
            request = parser.Parser()
            request.cei = self.cei
            request.request_id = p.name
            request.plan_id = p.id
            # getting the number of solutions need to provide
            num_solution = getattr(p, 'recommend_max', '1')
            if num_solution.isdigit():
                num_solution = int(num_solution)

            # TODO(inam/larry): move this part of logic inside of parser and don't apply it to distance_between
            try:
                # getting region placeholders from database and insert/put into regions_maps dictionary
                region_placeholders = self.RegionPlaceholders.query.all()
                for region in region_placeholders:
                    regions_maps.update(region.countries)

                # getting country groups from database and insert into the country_groups list
                customer_loc = ''
                location_list = json_template["conductor_solver"]["locations"]
                for location_id, location_info in location_list.items():
                    customer_loc = location_info['country']

                countries = self.CountryLatency.query.get_plan_by_col("country_name", customer_loc)
                LOG.info("Customer Location for Latency Reduction " + customer_loc)

                if len(countries) == 0:
                    LOG.info("country is not present is country latency table, looking for * wildcard entry")
                    countries = self.CountryLatency.query.get_plan_by_col("country_name", "*")
                if len(countries) != 0:
                    LOG.info("Found '*' wild card entry in country latency table")
                else:
                    msg = "No '*' wild card entry found in country latency table. No solution will be provided"
                    LOG.info(msg)
                    p.message = msg

                for country in countries:
                    country_groups = country.groups

                LOG.info("Done getting Latency Country DB Groups ")
            except Exception as error_msg:
                LOG.error("Exception thrown while reading region_placeholders and country groups information "
                          "from database. Exception message: {}".format(error_msg))

            try:
                request.parse_template(json_template, country_groups, regions_maps)
                request.assgin_constraints_to_demands()
                requests_to_solve[p.id] = request
                opt = optimizer.Optimizer(self.conf, _requests=requests_to_solve)
                solution_list = opt.get_solution(num_solution)

            except Exception as err:
                message = _LE("Plan {} status encountered a "
                              "parsing error: {}").format(p.id, err)
                LOG.error(traceback.print_exc())
                p.status = self.Plan.ERROR
                p.message = message
                while 'FAILURE' in _is_success:
                    _is_success = p.update(condition=self.solver_owner_condition)
                    LOG.info(_LI("Encountered a parsing error, changing the template status from solving to error, "
                                 "atomic update response from MUSIC {}").format(_is_success))

                continue

            LOG.info("Preparing the recommendations ")
            # checking if the order is 'initial' or 'speed changed' one
            is_speed_change = False
            if request and request.request_type == 'speed changed':
                is_speed_change = True

            recommendations = []
            if not solution_list or len(solution_list) < 1:
                # when order takes too much time to solve
                if (int(round(time.time())) - self.millisec_to_sec(p.updated)) > self.conf.solver.solver_timeout:
                    message = _LI("Plan {} is timed out, exceed the expected "
                                  "time {} seconds").format(p.id, self.conf.solver.timeout)

                # when no solution found
                else:
                    message = _LI("Plan {} search failed, no "
                                  "recommendations found by machine {}").format(p.id, p.solver_owner)
                LOG.info(message)
                # Update the plan status
                p.status = self.Plan.NOT_FOUND
                p.message = message

                # Metrics to Prometheus
                m_svc_name = p.template.get('parameters', {}).get('service_name', 'N/A')
                PC.VNF_FAILURE.labels('ONAP', m_svc_name).inc()

                while 'FAILURE' in _is_success:
                    _is_success = p.update(condition=self.solver_owner_condition)
                    LOG.info(_LI("Plan serach failed, changing the template status from solving to not found, "
                                 "atomic update response from MUSIC {}").format(_is_success))
            else:
                # Assemble recommendation result JSON
                for solution in solution_list:
                    current_rec = dict()
                    for demand_name in solution:
                        resource = solution[demand_name]

                        if not is_speed_change:
                            is_rehome = "false"
                        else:
                            is_rehome = "false" if resource.get("existing_placement") == 'true' else "true"

                        location_id = "" if resource.get("cloud_region_version") == '2.5' \
                                      else resource.get("location_id")

                        rec = {
                            # FIXME(shankar) A&AI must not be hardcoded here.
                            # Also, account for more than one Inventory Provider.
                            "inventory_provider": "aai",
                            "service_resource_id":
                                resource.get("service_resource_id"),
                            "candidate": {
                                "candidate_id": resource.get("candidate_id"),
                                "inventory_type": resource.get("inventory_type"),
                                "cloud_owner": resource.get("cloud_owner"),
                                "location_type": resource.get("location_type"),
                                "location_id": location_id,
                                "is_rehome": is_rehome},
                            "attributes": {
                                "physical-location-id":
                                    resource.get("physical_location_id"),
                                "cloud_owner": resource.get("cloud_owner"),
                                'aic_version': resource.get("cloud_region_version")},
                        }

                        if rec["candidate"]["inventory_type"] in ["nssi", "nsi", "slice_profiles"]:
                            rec["candidate"] = resource

                        if resource.get('vim-id'):
                            rec["candidate"]['vim-id'] = resource.get('vim-id')

                        if rec["candidate"]["inventory_type"] == "service":
                            rec["attributes"]["host_id"] = resource.get("host_id")
                            rec["attributes"]["service_instance_id"] = resource.get("candidate_id")
                            rec["candidate"]["host_id"] = resource.get("host_id")

                            if resource.get('vlan_key'):
                                rec["attributes"]['vlan_key'] = resource.get('vlan_key')
                            if resource.get('port_key'):
                                rec["attributes"]['port_key'] = resource.get('port_key')

                        if rec["candidate"]["inventory_type"] == "vfmodule":
                            rec["attributes"]["host_id"] = resource.get("host_id")
                            rec["attributes"]["service_instance_id"] = resource.get("service_instance_id")
                            rec["candidate"]["host_id"] = resource.get("host_id")

                            if resource.get('vlan_key'):
                                rec["attributes"]['vlan_key'] = resource.get('vlan_key')
                            if resource.get('port_key'):
                                rec["attributes"]['port_key'] = resource.get('port_key')

                            vf_module_data = rec["attributes"]
                            vf_module_data['nf-name'] = resource.get("nf-name")
                            vf_module_data['nf-id'] = resource.get("nf-id")
                            vf_module_data['nf-type'] = resource.get("nf-type")
                            vf_module_data['vnf-type'] = resource.get("vnf-type")
                            vf_module_data['vf-module-id'] = resource.get("vf-module-id")
                            vf_module_data['vf-module-name'] = resource.get("vf-module-name")
                            vf_module_data['ipv4-oam-address'] = resource.get("ipv4-oam-address")
                            vf_module_data['ipv6-oam-address'] = resource.get("ipv6-oam-address")
                            vf_module_data['vservers'] = resource.get("vservers")

                        elif rec["candidate"]["inventory_type"] == "cloud":
                            if resource.get("all_directives") and resource.get("flavor_map"):
                                rec["attributes"]["directives"] = \
                                    self.set_flavor_in_flavor_directives(
                                        resource.get("flavor_map"), resource.get("all_directives"))

                                # Metrics to Prometheus
                                m_vim_id = resource.get("vim-id")
                                m_hpa_score = resource.get("hpa_score", 0)
                                m_svc_name = p.template['parameters'].get(
                                    'service_name', 'N/A')
                                for vnfc, flavor in resource.get("flavor_map").items():
                                    PC.VNF_COMPUTE_PROFILES.labels('ONAP',
                                                                   m_svc_name,
                                                                   demand_name,
                                                                   vnfc,
                                                                   flavor,
                                                                   m_vim_id).inc()

                                PC.VNF_SCORE.labels('ONAP', m_svc_name,
                                                    demand_name,
                                                    m_hpa_score).inc()

                            if resource.get('conflict_id'):
                                rec["candidate"]["conflict_id"] = resource.get("conflict_id")

                        if resource.get('passthrough_attributes'):
                            for key, value in resource.get('passthrough_attributes').items():
                                if key in rec["attributes"]:
                                    LOG.error('Passthrough attribute {} in demand {} already exist for candidate {}'.
                                              format(key, demand_name, rec['candidate_id']))
                                else:
                                    rec["attributes"][key] = value
                        # TODO(snarayanan): Add total value to recommendations?
                        # msg = "--- total value of decision = {}"
                        # LOG.debug(msg.format(_best_path.total_value))
                        # msg = "--- total cost of decision = {}"
                        # LOG.debug(msg.format(_best_path.total_cost))
                        current_rec[demand_name] = rec

                    recommendations.append(current_rec)

                # Update the plan with the solution
                p.solution = {
                    "recommendations": recommendations
                }

                # multiple spin-ups logic
                '''
                go through list of recommendations in the solution
                for cloud candidates, check if (cloud-region-id + e2evnfkey) is in the order_locks table
                if so, insert the row with status 'parked' in order_locks, changes plan status to 'pending' in plans
                table (or other status value)
                otherwise, insert the row with status 'locked' in order_locks, and change status to 'solved' in plans
                table - continue reservation
                '''

                # clean up the data/record in order_locks table, deleting all records that failed from MSO
                order_locks = self.OrderLock.query.all()
                for order_lock_record in order_locks:

                    plans = getattr(order_lock_record, 'plans')
                    for plan_id, plan_attributes in plans.items():
                        plan_dict = json.loads(plan_attributes)

                        if plan_dict.get('status', None) == OrderLock.FAILED:
                            order_lock_record.delete()
                            LOG.info(_LI("The order lock record {} with status {} is deleted (due to failure"
                                         " spinup from MSO) from order_locks table").
                                     format(order_lock_record, plan_dict.get('status')))
                            break

                inserted_order_records_dict = dict()
                available_dependenies_set = set()

                is_inserted_to_order_locks = True
                is_conflict_id_missing = False
                is_order_translated_before_spinup = False

                for solution in solution_list:

                    for demand_name, candidate in solution.items():
                        if candidate.get('inventory_type') == 'cloud':
                            conflict_id = candidate.get('conflict_id')
                            service_resource_id = candidate.get('service_resource_id')
                            # TODO(larry): add more logic for missing conflict_id in template
                            if not conflict_id:
                                is_conflict_id_missing = True
                                break

                            available_dependenies_set.add(conflict_id)
                            # check if conflict_id exists in order_locks table
                            order_lock_record = self.OrderLock.query.get_plan_by_col("id", conflict_id)
                            if order_lock_record:
                                is_spinup_completed = getattr(order_lock_record[0], 'is_spinup_completed')
                                spinup_completed_timestamp = getattr(order_lock_record[0],
                                                                     'spinup_completed_timestamp')
                                if is_spinup_completed and spinup_completed_timestamp > p.translation_begin_timestamp:
                                    is_order_translated_before_spinup = True
                                    break
                                elif not is_spinup_completed:
                                    inserted_order_records_dict[conflict_id] = service_resource_id

                if is_conflict_id_missing:
                    message = _LE("Missing conflict identifier field for cloud candidates in the template, "
                                  "could not insert into order_locks table")
                    LOG.debug(message)
                    p.status = self.Plan.SOLVED

                elif is_order_translated_before_spinup:
                    message = _LE("Retriggering Plan {} due to the new order arrives before the "
                                  "spinup completion of the old order ").format(p.id)
                    LOG.debug(message)
                    p.rehome_plan()

                elif len(inserted_order_records_dict) > 0:

                    new_dependenies_set = available_dependenies_set - set(inserted_order_records_dict.keys())
                    dependencies = ','.join(str(s) for s in new_dependenies_set)

                    for conflict_id, service_resource_id in inserted_order_records_dict.items():
                        plan = {
                            p.id: {
                                "status": OrderLock.UNDER_SPIN_UP,
                                "created": self.current_time_millis(),
                                "updated": self.current_time_millis(),
                                "service_resource_id": service_resource_id
                            }
                        }

                        if dependencies:
                            plan[p.id]['dependencies'] = dependencies

                        order_lock_row = self.OrderLock(id=conflict_id, plans=plan)
                        response = order_lock_row.insert()

                        # TODO(larry): add more logs for inserting order lock record (insert/update)
                        LOG.info(_LI("Inserting the order lock record to order_locks table in MUSIC, "
                                     "conditional insert operation response from MUSIC {}").format(response))
                        if response and response.status_code == 200:
                            body = response.json()
                            LOG.info("Succcessfully inserted the record in order_locks table with "
                                     "the following response message {}".format(body))
                        else:
                            is_inserted_to_order_locks = False
                else:
                    for solution in solution_list:
                        for demand_name, candidate in solution.items():
                            if candidate.get('inventory_type') == 'cloud':
                                conflict_id = candidate.get('conflict_id')
                                service_resource_id = candidate.get('service_resource_id')

                                order_lock_record = self.OrderLock.query.get_plan_by_col("id", conflict_id)
                                if order_lock_record:
                                    deleting_record = order_lock_record[0]
                                    plans = getattr(deleting_record, 'plans')
                                    is_spinup_completed = getattr(deleting_record, 'is_spinup_completed')
                                    spinup_completed_timestamp = getattr(deleting_record, 'spinup_completed_timestamp')

                                    if is_spinup_completed:
                                        # persist the record in order_locks_history table
                                        order_lock_history_record = \
                                            self.OrderLockHistory(conflict_id=conflict_id, plans=plans,
                                                                  is_spinup_completed=is_spinup_completed,
                                                                  spinup_completed_timestamp=spinup_completed_timestamp
                                                                  )
                                        LOG.debug("Inserting the history record with conflict id {}"
                                                  " to order_locks_history table".format(conflict_id))
                                        order_lock_history_record.insert()
                                        # remove the older record
                                        LOG.debug("Deleting the order lock record {} from order_locks table"
                                                  .format(deleting_record))
                                        deleting_record.delete()

                                plan = {
                                    p.id: {
                                        "status": OrderLock.UNDER_SPIN_UP,
                                        "created": self.current_time_millis(),
                                        "updated": self.current_time_millis(),
                                        "service_resource_id": service_resource_id
                                    }
                                }
                                order_lock_row = self.OrderLock(id=conflict_id, plans=plan)
                                response = order_lock_row.insert()
                                # TODO(larry): add more logs for inserting order lock record (insert/update)
                                LOG.info(_LI("Inserting the order lock record to order_locks table in MUSIC, "
                                             "conditional insert operation response from MUSIC {}").format(response))
                                if response and response.status_code == 200:
                                    body = response.json()
                                    LOG.info("Succcessfully inserted the record in order_locks table "
                                             "with the following response message {}".format(body))
                                else:
                                    is_inserted_to_order_locks = False

                if not is_inserted_to_order_locks:
                    message = _LE("Plan {} status encountered an "
                                  "error while inserting order lock message to MUSIC.").format(p.id)
                    LOG.error(message)
                    p.status = self.Plan.ERROR
                    p.message = message

                elif p.status == self.Plan.SOLVING:
                    if len(inserted_order_records_dict) > 0:
                        LOG.info(_LI("The plan with id {} is parked in order_locks table,"
                                     "waiting for MSO release calls").format(p.id))
                        p.status = self.Plan.WAITING_SPINUP
                    else:
                        LOG.info(_LI("The plan with id {} is inserted in order_locks table.").
                                 format(p.id))
                        p.status = self.Plan.SOLVED

            while 'FAILURE' in _is_success \
                  and (self.current_time_seconds() - self.millisec_to_sec(p.updated)) <= self.conf.solver.timeout:
                _is_success = p.update(condition=self.solver_owner_condition)
                LOG.info(_LI("Plan search complete, changing the template status from solving to {}, "
                             "atomic update response from MUSIC {}").format(p.status, _is_success))

            LOG.info(_LI("Plan {} search complete, {} solution(s) found by machine {}").
                     format(p.id, len(solution_list), p.solver_owner))
            LOG.debug("Plan {} detailed solution: {}".
                      format(p.id, p.solution))
            LOG.info("Plan name: {}".format(p.name))
Esempio n. 19
0
 def __init__(self, conf, namespace):
     super(Manager, self).__init__(namespace,
                                   conf.vim_controller.extensions,
                                   invoke_on_load=True,
                                   name_order=True)
     LOG.info(_LI("Loaded Vim controller extensions: %s"), self.names())
Esempio n. 20
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    def _do(self):
        """Look for a new RPC call and serve it"""
        # Get all the messages in queue
        msgs = self.RPC.query.all()
        for msg in msgs:
            # Find the first msg marked as enqueued.

            if msg.working and \
                    (self.current_time_seconds() - self.millisec_to_sec(msg.updated))\
                    > self.conf.messaging_server.response_timeout:
                msg.status = message.Message.ENQUEUED
                msg.update(condition=self.working_status_condition)

            if not msg.enqueued:
                continue
            if 'plan_name' in msg.ctxt.keys():
                LOG.info('Plan name: {}'.format(msg.ctxt['plan_name']))
            elif 'plan_name' in msg.args.keys():
                LOG.info('Plan name: {}'.format(msg.args['plan_name']))

            # Change the status to WORKING (operation with a lock)
            msg.status = message.Message.WORKING
            msg.owner = socket.gethostname()
            # All update should have a condition (status == enqueued)
            _is_updated = msg.update(condition=self.enqueued_status_condition)

            if not _is_updated or 'FAILURE' in _is_updated:
                continue

            # RPC methods must not start/end with an underscore.
            if msg.method.startswith('_') or msg.method.endswith('_'):
                error_msg = _LE("Method {} must not start or end"
                                "with underscores").format(msg.method)
                self._log_error_and_update_msg(msg, error_msg)
                return

            # The first endpoint that supports the method wins.
            method = None
            for endpoint in self.endpoints:
                if msg.method not in dir(endpoint):
                    continue
                endpoint_method = getattr(endpoint, msg.method)
                if callable(endpoint_method):
                    method = endpoint_method
                    if self.conf.messaging_server.debug:
                        LOG.debug("Message {} method {} is "
                                  "handled by endpoint {}".format(
                                      msg.id, msg.method,
                                      method.__str__.__name__))
                    break
            if not method:
                error_msg = _LE("Message {} method {} unsupported "
                                "in endpoints.").format(msg.id, msg.method)
                self._log_error_and_update_msg(msg, error_msg)
                return

            # All methods must take a ctxt and args param.
            if inspect.getargspec(method).args != ['self', 'ctx', 'arg']:
                error_msg = _LE("Method {} must take three args: "
                                "self, ctx, arg").format(msg.method)
                self._log_error_and_update_msg(msg, error_msg)
                return

            LOG.info(
                _LI("Message {} method {} received").format(
                    msg.id, msg.method))
            if self.conf.messaging_server.debug:
                LOG.debug(
                    _LI("Message {} method {} context: {}, args: {}").format(
                        msg.id, msg.method, msg.ctxt, msg.args))

            failure = None
            try:

                # Add the template to conductor.plan table
                # Methods return an opaque dictionary
                result = method(msg.ctxt, msg.args)

                # FIXME(jdandrea): Remove response/error and make it opaque.
                # That means this would just be assigned result outright.
                msg.response = result.get('response', result)
            except Exception:
                # Current sys.exc_info() content can be overridden
                # by another exception raised by a log handler during
                # LOG.exception(). So keep a copy and delete it later.
                failure = sys.exc_info()

                # Do not log details about the failure here. It will
                # be returned later upstream.
                LOG.exception(_LE('Exception during message handling'))

            try:
                if failure is None:
                    msg.status = message.Message.COMPLETED
                else:
                    msg.failure = \
                        rpc_common.serialize_remote_exception(failure)
                    msg.status = message.Message.ERROR
                LOG.info(
                    _LI("Message {} method {}, status: {}").format(
                        msg.id, msg.method, msg.status))
                if self.conf.messaging_server.debug:
                    LOG.debug("Message {} method {}, response: {}".format(
                        msg.id, msg.method, msg.response))

                _is_success = 'FAILURE'
                while 'FAILURE' in _is_success and (
                        self.current_time_seconds() -
                        self.millisec_to_sec(msg.updated)
                ) <= self.conf.messaging_server.response_timeout:
                    _is_success = msg.update()
                    LOG.info(
                        _LI("updating the message status from working to {}, "
                            "atomic update response from MUSIC {}").format(
                                msg.status, _is_success))

            except Exception:
                LOG.exception(
                    _LE("Can not send reply for message {} "
                        "method {}").format(msg.id, msg.method))
            finally:
                # Remove circular object reference between the current
                # stack frame and the traceback in exc_info.
                del failure
Esempio n. 21
0
    def call(self, ctxt, method, args):
        """Synchronous Call"""
        # # check if the call has a message saved in cache
        # # key: string concatenation of ctxt + method + args
        # # value: rpc response object
        # key = ""
        # for k, v in ctxt.items():
        #     key += str(k)
        #     key += '#' + str(v) + '#'
        # key += '|' + str(method) + '|'
        # for k, v in args.items():
        #     key += str(k)
        #     key += '#' + str(v) + '#'
        #
        # # check if the method has been called before
        # # and cached
        # if key in self.message_cache:
        #     LOG.debug("Retrieved method {} with args "
        #               "{} from cache".format(method, args))
        #     return self.message_cache[key]

        rpc_start_time = time.time()

        rpc = self.RPC(action=self.RPC.CALL,
                       ctxt=ctxt,
                       method=method,
                       args=args)

        # TODO(jdandrea): Do something if the assert fails.
        assert (rpc.enqueued)

        rpc_id = rpc.id
        topic = self.target.topic
        LOG.info(_LI("Message {} on topic {} enqueued.").format(rpc_id, topic))
        if self.conf.messaging_server.debug:
            LOG.debug("Calling method {} with args {}".format(method, args))

        # Check message status within a thread
        executor = futurist.ThreadPoolExecutor()
        started_at = time.time()
        while (time.time() -
               started_at) <= self.conf.messaging_server.response_timeout:
            fut = executor.submit(self.__check_rpc_status, rpc_id, method)
            rpc = fut.result()
            if rpc and rpc.finished:
                if self.conf.messaging_server.debug:
                    LOG.debug("Message {} method {} response received".format(
                        rpc_id, method))
                break
        executor.shutdown()

        # Get response, delete message, and return response
        if not rpc or not rpc.finished:
            LOG.error(
                _LE("Message {} on topic {} timed out at {} seconds").format(
                    rpc_id, topic,
                    self.conf.messaging_server.response_timeout))
        elif not rpc.ok:
            LOG.error(
                _LE("Message {} on topic {} returned an error").format(
                    rpc_id, topic))
        response = rpc.response
        failure = rpc.failure
        rpc.delete()  # TODO(jdandrea): Put a TTL on the msg instead?
        # self.message_cache[key] = response

        LOG.debug("Elapsed time: {0:.3f} sec".format(time.time() -
                                                     rpc_start_time))
        # If there's a failure, raise it as an exception
        allowed = []
        if failure is not None and failure != '':
            # TODO(jdandrea): Do we need to populate allowed(_remote_exmods)?
            raise rpc_common.deserialize_remote_exception(failure, allowed)
        return response
Esempio n. 22
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 def __init__(self, conf, namespace):
     super(Manager, self).__init__(
         namespace, conf.service_controller.extensions,
         invoke_on_load=True, name_order=True, propagate_map_exceptions=True)
     LOG.info(_LI("Loaded service controller extensions: %s"), self.names())
Esempio n. 23
0
File: api.py Progetto: onap/optf-has
    def __init__(self):
        """Initializer."""
        LOG.info(_LI("Initializing Music Mock API"))

        self.music['keyspaces'] = {}
Esempio n. 24
0
 def initialize(self):
     """Initialize enabled Vim controller extensions."""
     for extension in self.extensions:
         LOG.info(_LI("Initializing Vim controller extension '%s'"),
                  extension.name)
         extension.obj.initialize()
Esempio n. 25
0
    def run(self):
        """Run"""
        LOG.debug("%s" % self.__class__.__name__)
        # TODO(snarayanan): This is really meant to be a control loop
        # As long as self.running is true, we process another request.

        while self.running:

            # Delay time (Seconds) for MUSIC requests.
            time.sleep(self.conf.delay_time)

            # plans = Plan.query().all()
            # Find the first plan with a status of SOLVED.
            # Change its status to RESERVING.

            solution = None
            translation = None
            p = None
            # requests_to_reserve = dict()

            # Instead of using the query.all() method, now creating an index for 'status'
            # field in conductor.plans table, and query plans by status columns
            solved_plans = self.Plan.query.get_plan_by_col(
                "status", self.Plan.SOLVED)
            reserving_plans = self.Plan.query.get_plan_by_col(
                "status", self.Plan.RESERVING)

            # combine the plans with status = 'solved' and 'reserving' together
            plans = solved_plans + reserving_plans

            found_solved_template = False

            for p in plans:
                # when a plan is in RESERVING status more than timeout value
                if p.status == self.Plan.RESERVING and \
                (self.current_time_seconds() - self.millisec_to_sec(p.updated)) > self.conf.reservation.timeout:
                    # change the plan status to SOLVED for another VM to reserve
                    p.status = self.Plan.SOLVED
                    p.update(condition=self.reservating_status_condition)
                    break
                elif p.status == self.Plan.SOLVED:
                    solution = p.solution
                    translation = p.translation
                    found_solved_template = True
                    break

            if not solution:
                if found_solved_template:
                    message = _LE("Plan {} status is solved, yet "
                                  "the solution wasn't found").format(p.id)
                    LOG.error(message)
                    p.status = self.Plan.ERROR
                    p.message = message
                    p.update(condition=self.solved_status_condition)
                continue

            if found_solved_template and p and p.reservation_counter >= self.conf.reservation.max_reservation_counter:
                message = _LE("Tried {} times. Plan {} is unable to reserve") \
                    .format(self.conf.reservation.max_reservation_counter, p.id)
                LOG.error(message)
                p.status = self.Plan.ERROR
                p.message = message
                p.update(condition=self.solved_status_condition)
                continue

            log_util.setLoggerFilter(LOG, self.conf.keyspace, p.id)

            # update status to reserving
            p.status = self.Plan.RESERVING

            p.reservation_counter += 1
            p.reservation_owner = socket.gethostname()
            _is_updated = p.update(condition=self.solved_status_condition)

            if not _is_updated:
                continue

            if 'FAILURE' in _is_updated:
                continue

            LOG.info(
                _LI("Reservation starts, changing the template status from solved to reserving, "
                    "atomic update response from MUSIC {}").format(
                        _is_updated))
            LOG.info(
                _LI("Plan {} with request id {} is reserving by machine {}. Tried to reserve it for {} times."
                    ).format(p.id, p.name, p.reservation_owner,
                             p.reservation_counter))

            # begin reservations
            # if plan needs reservation proceed with reservation
            # else set status to done.
            reservations = None
            _is_success = "FAILURE"

            if translation:
                conductor_solver = translation.get("conductor_solver")
                if conductor_solver:
                    reservations = conductor_solver.get("reservations")
                else:
                    LOG.error("no conductor_solver in "
                              "translation for Plan {}".format(p.id))

            if reservations:

                recommendations = solution.get("recommendations")
                reservation_list = list()
                # TODO(larry) combine the two reservation logic as one, make the code service independent
                sdwan_candidate_list = list()
                service_model = reservations.get("service_model")

                for reservation, resource in reservations.get("demands",
                                                              {}).items():
                    candidates = list()
                    reservation_demand = resource.get("demands")
                    reservation_name = resource.get("name")
                    reservation_type = resource.get("type")

                    reservation_properties = resource.get("properties")
                    if reservation_properties:
                        controller = reservation_properties.get("controller")
                        request = reservation_properties.get("request")

                    for recommendation in recommendations:
                        for demand, r_resource in recommendation.items():
                            if demand == reservation_demand:
                                # get selected candidate from translation
                                selected_candidate_id = r_resource.get(
                                    "candidate").get("candidate_id")
                                demands = translation.get(
                                    "conductor_solver").get("demands")
                                for demand_name, d_resource in demands.items():
                                    if demand_name == demand:

                                        for candidate in d_resource.get(
                                                "candidates"):
                                            if candidate.get(
                                                    "candidate_id"
                                            ) == selected_candidate_id:
                                                candidate['request'] = request
                                                candidates.append(candidate)
                                                sdwan_candidate_list.append(
                                                    candidate)

                    #TODO(larry) combine the two reservation logic as one, make the code service independent
                    if service_model == "ADIOD":
                        is_success = self.try_reservation_call(
                            method="reserve",
                            candidate_list=candidates,
                            reservation_type=service_model,
                            controller=controller,
                            request=request,
                            reservation_name=None)

                        # if reservation succeed continue with next candidate
                        if is_success:
                            curr_reservation = dict()
                            curr_reservation['candidate_list'] = candidates
                            curr_reservation[
                                'reservation_name'] = reservation_name
                            curr_reservation[
                                'reservation_type'] = reservation_type
                            curr_reservation['controller'] = controller
                            curr_reservation['request'] = request
                            reservation_list.append(curr_reservation)

                        else:
                            # begin roll back of all reserved resources on
                            # the first failed reservation
                            rollback_status = \
                                self.rollback_reservation(reservation_list)

                            # order_lock spin-up rollback
                            for decision in solution.get('recommendations'):

                                candidate = list(decision.values())[0].get(
                                    'candidate'
                                )  # Python 3 Conversion -- dict object to list object
                                if candidate.get('inventory_type') == 'cloud':
                                    # TODO(larry) change the code to get('conflict_id') instead of 'location_id'
                                    conflict_id = candidate.get('conflict_id')
                                    order_record = self.OrderLock.query.get_plan_by_col(
                                        "id", conflict_id)[0]
                                    if order_record:
                                        order_record.delete()
                            # statuses
                            if rollback_status:
                                # released all reservations,
                                # move plan to translated
                                if p.reservation_counter >= self.conf.reservation.max_reservation_counter:
                                    p.status = self.Plan.ERROR
                                    p.message = _LE(
                                        "Tried {} times. Plan {} is unable to reserve"
                                    ).format(
                                        self.conf.reservation.
                                        max_reservation_counter, p.id)
                                    LOG.error(p.message)
                                else:
                                    p.status = self.Plan.TRANSLATED
                                # TODO(larry): Should be replaced by the new api from MUSIC
                                while 'FAILURE' in _is_success:
                                    _is_success = p.update(
                                        condition=self.
                                        reservation_owner_condition)
                                    LOG.info(
                                        _LI("Rolling back the template from reserving to {} status, "
                                            "atomic update response from MUSIC {}"
                                            ).format(p.status, _is_success))
                                del reservation_list[:]
                            else:
                                LOG.error("Reservation rollback failed")
                                p.status = self.Plan.ERROR
                                p.message = "Reservation release failed"
                                # TODO(larry): Should be replaced by the new api from MUSIC
                                while 'FAILURE' in _is_success:
                                    _is_success = p.update(
                                        condition=self.
                                        reservation_owner_condition)
                                    LOG.info(
                                        _LI("Rollback Failed, Changing the template status from reserving to error, "
                                            "atomic update response from MUSIC {}"
                                            ).format(_is_success))
                            break  # reservation failed

                    continue
                    # continue with reserving the next candidate

                # TODO(larry) combine the two reservation logic as one, make the code service independent
                if service_model == "DHV":
                    is_success = self.try_reservation_call(
                        method="reserve",
                        candidate_list=sdwan_candidate_list,
                        reservation_type=service_model,
                        controller=controller,
                        request=request,
                        reservation_name=None)

                    if not is_success:
                        # order_lock spin-up rollback
                        for decision in solution.get('recommendations'):

                            candidate = list(decision.values())[0].get(
                                'candidate'
                            )  # Python 3 Conversion -- dict object to list object
                            if candidate.get('inventory_type') == 'cloud':
                                conflict_id = candidate.get('conflict_id')
                                order_record = self.OrderLock.query.get_plan_by_col(
                                    "id", conflict_id)[0]
                                if order_record:
                                    order_record.delete()

                        if p.reservation_counter >= self.conf.reservation.max_reservation_counter:
                            p.status = self.Plan.ERROR
                            p.message = _LE(
                                "Tried {} times. Plan {} is unable to reserve"
                            ).format(
                                self.conf.reservation.max_reservation_counter,
                                p.id)
                            LOG.error(p.message)
                        else:
                            p.status = self.Plan.TRANSLATED

                        # TODO(larry): Should be replaced by the new api from MUSIC
                        while 'FAILURE' in _is_success:
                            _is_success = p.update(
                                condition=self.reservation_owner_condition)
                            LOG.info(
                                _LI("Rolling back the template from reserving to {} status, "
                                    "atomic update response from MUSIC {}").
                                format(p.status, _is_success))
                        del reservation_list[:]

            # verify if all candidates have been reserved
            if p.status == self.Plan.RESERVING:
                # all reservations succeeded.
                LOG.info(
                    _LI("Plan {} with request id {} Reservation complete").
                    format(p.id, p.name))
                LOG.debug("Plan {} Reservation complete".format(p.id))
                p.status = self.Plan.DONE

                while 'FAILURE' in _is_success and (
                        self.current_time_seconds() - self.millisec_to_sec(
                            p.updated)) <= self.conf.reservation.timeout:
                    _is_success = p.update(
                        condition=self.reservation_owner_condition)
                    LOG.info(
                        _LI("Reservation is complete, changing the template status from reserving to done, "
                            "atomic update response from MUSIC {}").format(
                                _is_success))
            continue
Esempio n. 26
0
 def match_flavor(self):
     # Keys to find capability match
     hpa_keys = ['hpa-feature', 'architecture', 'hpa-version']
     req_filter_list = []
     for capability in CapabilityDataParser.get_item(
             self.req_cap_list, None):
         if capability.item['mandatory'].lower() == 'true':
             hpa_list = {k: capability.item[k] \
                         for k in hpa_keys if k in capability.item}
             if hpa_list not in req_filter_list:
                 req_filter_list.append(hpa_list)
     max_score = -1
     directives = None
     for flavor in self.flavors_list:
         flavor_filter_list = []
         try:
             flavor_cap_list = flavor['hpa-capabilities']
         except KeyError:
             LOG.info(_LI("hpa-capabilities not found in flavor "))
             # Metrics to Prometheus
             m_flavor_name = flavor['flavor-name']
             PC.HPA_FLAVOR_MATCH_UNSUCCESSFUL.labels(
                 'ONAP', 'N/A', 'N/A', 'N/A', self.m_vim_id,
                 m_flavor_name).inc()
             continue
         for capability in CapabilityDataParser.get_item(
                 flavor_cap_list, 'hpa-capability'):
             hpa_list = {k: capability.item[k] \
                            for k in hpa_keys if k in capability.item}
             flavor_filter_list.append(hpa_list)
         # if flavor has the matching capability compare attributes
         if self._is_cap_supported(flavor_filter_list, req_filter_list):
             match_found, score, req_directives = self._compare_feature_attributes(
                 flavor_cap_list)
             if match_found:
                 LOG.info(
                     _LI("Matching Flavor found '{}' for request - {}").
                     format(flavor['flavor-name'], self.req_cap_list))
                 # Metrics to Prometheus
                 m_flavor_name = flavor['flavor-name']
                 PC.HPA_FLAVOR_MATCH_SUCCESSFUL.labels(
                     'ONAP', 'N/A', 'N/A', 'N/A', self.m_vim_id,
                     m_flavor_name).inc()
                 if score > max_score:
                     max_score = score
                     flavor_map = {
                         "flavor-id": flavor['flavor-id'],
                         "flavor-name": flavor['flavor-name'],
                         "score": max_score
                     }
                     directives = {
                         "flavor_map": flavor_map,
                         "directives": req_directives
                     }
             else:
                 # Metrics to Prometheus
                 m_flavor_name = flavor['flavor-name']
                 PC.HPA_FLAVOR_MATCH_UNSUCCESSFUL.labels(
                     'ONAP', 'N/A', 'N/A', 'N/A', self.m_vim_id,
                     m_flavor_name).inc()
         else:
             # Metrics to Prometheus
             m_flavor_name = flavor['flavor-name']
             PC.HPA_FLAVOR_MATCH_UNSUCCESSFUL.labels(
                 'ONAP', 'N/A', 'N/A', 'N/A', self.m_vim_id,
                 m_flavor_name).inc()
     return directives