Esempio n. 1
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    def put(self, name, device_id):
        soft_limit = request.args.get('soft_limit')
        abort_when_not_int(soft_limit)
        computation_node = abort_when_node_not_found(name)
        if int(soft_limit) < 0:
            log.error(str.format('Number is not positive: {}', soft_limit))
            abort(400)

        if not any(d['id'] == device_id
                   for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        limit_info = {
            'name': name,
            'device_id': device_id,
            'soft_limit': soft_limit
        }

        upsert_result = database.replace_soft_limit_for_device(
            name, device_id, limit_info)

        if upsert_result.modified_count:
            log.info(
                'Power limit for device %s:%s was already set in a database to %s',
                name, device_id, soft_limit)
            log.info('Stored power limit info %s', limit_info)
        else:
            log.info('Stored power limit info %s on id %s', limit_info,
                     upsert_result.upserted_id)

        return 'Soft limit successfully set', 201
Esempio n. 2
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    def delete(self, name):
        result_node_info = database.delete_computation_node_info(name)
        result_power_limit_info = database.delete_power_limit_infos(name)

        if not result_node_info:
            log.info('No such computation node %s', name)
            abort(404)
        if not result_power_limit_info:
            log.info('No such power limit info for node %s', name)
            abort(404)

        address = result_node_info.get('address')
        port = result_node_info.get('port')
        abort_when_port_invalid(port)

        for device in result_node_info['backend_info']['devices']:
            try:
                response = delete_power_limit(address, port, device['id'],
                                              device['Type'])
                log.info('Device %s deletion info: %s', device['id'], response)
            except requests.exceptions.ConnectionError:
                log.error('Connection could not be established to %s:%s',
                          address, port)
                abort(406)

        log.info(
            'Successfully deleted node %s info and its power limit: %s %s',
            name, result_node_info, result_power_limit_info)
        return 204
Esempio n. 3
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    def delete(self, name, device_id):
        node_info = abort_when_node_not_found(name)

        address = node_info['address']
        port = node_info['port']
        [device_type] = [
            d['Type'] for d in node_info['backend_info']['devices']
            if d['id'] == device_id
        ]
        result = database.delete_power_limit_info(name, device_id)
        if not result:
            log.info('No such device %s:%s', name, device_id)
            abort(404)

        try:
            response = delete_power_limit(address, port, device_id,
                                          device_type)
            log.info('Power limit for device %s deletion info: %s', device_id,
                     response)
        except requests.exceptions.ConnectionError:
            log.error('Connection could not be established to %s:%s', address,
                      port)
            return 'Warning: power limit was deleted from database but could not be deleted from device', 406

        log.info(
            'Successfully removed power limit for device %s:%s power limit info: %s',
            name, device_id, result)
        return result, 200
Esempio n. 4
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    def delete(self, name, device_id):
        computation_node = abort_when_node_not_found(name)
        address = computation_node['address']
        port = computation_node['port']

        if not any(d['id'] == device_id
                   for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        [device_type] = [
            d['Type'] for d in computation_node['backend_info']['devices']
            if d['id'] == device_id
        ]
        result = database.delete_rule(name, device_id)

        try:
            resp = delete_power_limit(address, port, device_id, device_type)
            log.info('Power limit for device %s deletion info: %s', device_id,
                     resp)
        except requests.exceptions.ConnectionError:
            log.error('Connection could not be established to node %s:%s',
                      address, port)
            return 'Warning: power limit was deleted from database but could not be deleted from device!', 406
        return result, 200
Esempio n. 5
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def abort_when_port_invalid(port):
    try:
        parsed_port = int(port)
        if 0 > parsed_port > 65535:
            log.error(str.format('Port number is not valid: {}', parsed_port))
            abort(400)
    except ValueError:
        log.error(str.format('Port number is not valid: {}', port))
        abort(400)
Esempio n. 6
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def abort_when_port_invalid(port):
    try:
        parsed_port = int(port)
        if 0 > parsed_port > 65535:
            log.error(str.format('Port number is not valid: {}', parsed_port))
            abort(400)
    except ValueError:
        log.error(str.format('Port number is not valid: {}', port))
        abort(400)
Esempio n. 7
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    def put(self, name, device_id):
        power_limit = request.args.get('power_limit')
        abort_when_not_int(power_limit)
        computation_node = abort_when_node_not_found(name)

        if not any(d['id'] == device_id for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        limit_info = {
            'name': name,
            'device_id': device_id,
            'power_limit': power_limit
        }

        [device_type] = [d['Type'] for d in computation_node['backend_info']['devices'] if d['id'] == device_id]

        previous_limit_data = get_power_limit(computation_node['address'], computation_node['port'],
                                              device_id, device_type)

        previous_limit_info = json.loads(previous_limit_data.content.decode('ascii'))
        previous_limit = previous_limit_info[0]['PowerLimit']

        upsert_result = database.replace_power_limit_for_device(name, device_id, limit_info)
        if upsert_result.modified_count:
            log.info('Power limit for device %s:%s was already set in a database to %s', name, device_id, power_limit)
            log.info('Stored power limit info %s', limit_info)
        else:
            log.info('Stored power limit info %s on id %s', limit_info, upsert_result.upserted_id)

        try:
            response = put_power_limit(computation_node['address'], computation_node['port'],
                                       device_id, device_type, power_limit)
            log.info(response.text)
            response_object = json.loads(response.content.decode('ascii'))
            if not response_object[0]['Success']:
                log.info('Could not set power limit on device %s:%s, restoring previous value: %s',
                         name, device_id, previous_limit)
                try:
                    limit_info['power_limit'] = int(previous_limit)
                    upsert_result = database.replace_power_limit_for_device(name, device_id, limit_info)
                    if upsert_result.modified_count:
                        log.info('Power limit for device %s:%s was already set in a database to %s',
                                 name, device_id, power_limit)
                        log.info('Restored previous power limit %s', limit_info)
                    else:
                        log.info('Restored previous power limit info %s:%s', limit_info, upsert_result.upserted_id)
                except ValueError:
                    pass
                return response_object[0]['ErrorMessage'], 406
        except requests.exceptions.ConnectionError:
            log.error('Connection could not be established to %s:%s', computation_node['address'],
                      computation_node['port'])
            return 'Failed to set power limit on device, but added to database', 201
        return 'Power limit successfully set', 201
Esempio n. 8
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    def put(self, name, device_id):
        statistics_interval = request.args.get('statistics_interval')
        abort_when_not_int(statistics_interval)
        statistics_interval = int(statistics_interval)
        computation_node = abort_when_node_not_found(name)

        if not any(d['id'] == device_id
                   for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        set_statistics_interval(name, device_id, statistics_interval)

        return 'Statistics gathering interval successfully set', 201
Esempio n. 9
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    def delete(self, name, device_id):
        node_info = abort_when_node_not_found(name)

        address = node_info['address']
        port = node_info['port']
        [device_type] = [d['Type'] for d in node_info['backend_info']['devices'] if d['id'] == device_id]
        result = database.delete_power_limit_info(name, device_id)
        if not result:
            log.info('No such device %s:%s', name, device_id)
            abort(404)

        try:
            response = delete_power_limit(address, port, device_id, device_type)
            log.info('Power limit for device %s deletion info: %s', device_id, response)
        except requests.exceptions.ConnectionError:
            log.error('Connection could not be established to %s:%s', address, port)
            return 'Warning: power limit was deleted from database but could not be deleted from device', 406

        log.info('Successfully removed power limit for device %s:%s power limit info: %s', name, device_id,
                 result)
        return result, 200
Esempio n. 10
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    def put(self, name):
        address = request.args.get('address')
        port = request.args.get('port')

        abort_when_port_invalid(port)

        node_by_ip = database.get_computation_node_info_by_address(
            address, port)
        if node_by_ip and node_by_ip.get('name') != name:
            log.warning('Node with IP: %s:%s is present in database: %s',
                        address, port, node_by_ip)

        try:
            response = get_node_information(address, port)
        except requests.exceptions.ConnectionError:
            log.error('Connection could not be established to %s:%s', address,
                      port)
            abort(406)

        log.info('Response %s:', response.text)

        backend_info = json.loads(response.text)
        node_info = {
            'name': name,
            'address': address,
            'port': port,
            'backend_info': backend_info
        }
        upsert_result = database.replace_computation_node_info(name, node_info)
        if upsert_result.modified_count:
            log.info('Node %s was already present in a database', name)
            log.info('Stored Node info %s', node_info)
        else:
            log.info('Stored Node info %s on id %s', node_info,
                     upsert_result.upserted_id)

        for device in backend_info['devices']:
            set_statistics_interval(name, device['id'], 1)

        return name, 201
Esempio n. 11
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    def put(self, name: str, device_id: str):
        rule_type = request.args.get('rule_type')
        rule_params = request.json
        if rule_type not in AVAILABLE_RULE_TYPES:
            abort(400)
        computation_node = abort_when_node_not_found(name)

        if not any(d['id'] == device_id
                   for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        limit = rule_params.get("limit")
        if isinstance(limit, float):
            computation_node, dev_type = get_com_node_and_dev_type(
                name, device_id)
            constraints = get_constraints(
                computation_node['address'], computation_node['port'],
                device_id, dev_type).json()[0]["PowerLimitConstraints"]
            lower = constraints["lower"]
            upper = constraints["upper"]
            rule_params["limit"] = int((upper - lower) * limit + lower)

        if rule_type == "Withdrawable":
            previous_rule = database.get_rule_for_device(name, device_id)
            if previous_rule:
                if previous_rule["rule_type"] == "Withdrawable":
                    previous_rule = previous_rule["rule_params"].get(
                        "previous_rule", None)
                rule_params["previous_rule"] = previous_rule

        database.replace_rule_for_device(
            name, device_id, {
                'name': name,
                'device_id': device_id,
                'rule_type': rule_type,
                'rule_params': rule_params
            })
        return 'Rule successfully set', 201
    def put(self, name, device_id):
        statistics_interval = request.args.get('statistics_interval')
        abort_when_not_int(statistics_interval)
        statistics_interval = int(statistics_interval)
        computation_node = abort_when_node_not_found(name)

        if not any(d['id'] == device_id for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        current_interval_info = database.get_stats_interval_info(name, device_id)
        if current_interval_info:
            old_interval = datetime.timedelta(minutes=current_interval_info['interval'])
            old_next_measurement = datetime.datetime.strptime(current_interval_info['next_measurement'],
                                                              '%Y-%m-%dT%H:%M')
            new_interval = datetime.timedelta(minutes=statistics_interval)
            new_next_measurement = (old_next_measurement - old_interval + new_interval)
            interval_info = current_interval_info
            interval_info['interval'] = statistics_interval
            new_next_measurement_str = new_next_measurement.strftime('%Y-%m-%dT%H:%M')  # pylint: disable=no-member
            interval_info['next_measurement'] = new_next_measurement_str
        else:
            interval_info = {
                'name': name,
                'device_id': device_id,
                'interval': statistics_interval,
                'next_measurement': (datetime.datetime.utcnow() + datetime.timedelta(
                    minutes=statistics_interval)).strftime('%Y-%m-%dT%H:%M')  # pylint: disable=no-member
            }

        upsert_result = database.replace_stats_interval_info(name, device_id, interval_info)
        if upsert_result.modified_count:
            log.info('Statistics gathering interval for device %s:%s was already set in a database', name, device_id)
            log.info('Stored statistics gathering interval info %s', interval_info)
        else:
            log.info('Stored statistics gathering interval info %s on id %s', interval_info, upsert_result.upserted_id)

        return 'Statistics gathering interval successfully set', 201
Esempio n. 13
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def abort_when_device_not_found(device_id, computation_node):
    if not any(d['id'] == device_id
               for d in computation_node['backend_info']['devices']):
        log.error('There is no such device: %s', device_id)
        abort(404)
Esempio n. 14
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    def put(self, name, device_id):
        power_limit = request.args.get('power_limit')
        abort_when_not_int(power_limit)
        computation_node = abort_when_node_not_found(name)

        if not any(d['id'] == device_id
                   for d in computation_node['backend_info']['devices']):
            log.error('There is no such device: %s', device_id)
            abort(404)

        limit_info = {
            'name': name,
            'device_id': device_id,
            'power_limit': power_limit
        }

        [device_type] = [
            d['Type'] for d in computation_node['backend_info']['devices']
            if d['id'] == device_id
        ]

        previous_limit_data = get_power_limit(computation_node['address'],
                                              computation_node['port'],
                                              device_id, device_type)

        previous_limit_info = json.loads(
            previous_limit_data.content.decode('ascii'))
        previous_limit = previous_limit_info[0]['PowerLimit']

        upsert_result = database.replace_power_limit_for_device(
            name, device_id, limit_info)
        if upsert_result.modified_count:
            log.info(
                'Power limit for device %s:%s was already set in a database to %s',
                name, device_id, power_limit)
            log.info('Stored power limit info %s', limit_info)
        else:
            log.info('Stored power limit info %s on id %s', limit_info,
                     upsert_result.upserted_id)

        try:
            response = put_power_limit(computation_node['address'],
                                       computation_node['port'], device_id,
                                       device_type, power_limit)
            log.info(response.text)
            response_object = json.loads(response.content.decode('ascii'))
            if not response_object[0]['Success']:
                log.info(
                    'Could not set power limit on device %s:%s, restoring previous value: %s',
                    name, device_id, previous_limit)
                try:
                    limit_info['power_limit'] = int(previous_limit)
                    upsert_result = database.replace_power_limit_for_device(
                        name, device_id, limit_info)
                    if upsert_result.modified_count:
                        log.info(
                            'Power limit for device %s:%s was already set in a database to %s',
                            name, device_id, power_limit)
                        log.info('Restored previous power limit %s',
                                 limit_info)
                    else:
                        log.info('Restored previous power limit info %s:%s',
                                 limit_info, upsert_result.upserted_id)
                except ValueError:
                    pass
                return response_object[0]['ErrorMessage'], 406
        except requests.exceptions.ConnectionError:
            log.error('Connection could not be established to %s:%s',
                      computation_node['address'], computation_node['port'])
            return 'Failed to set power limit on device, but added to database', 201
        return 'Power limit successfully set', 201
Esempio n. 15
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def abort_when_not_int(number):
    try:
        int(number)
    except ValueError:
        log.error(str.format('Number is not valid: {}', number))
        abort(400)
Esempio n. 16
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def abort_when_device_not_found(device_id, computation_node):
    if not any(d['id'] == device_id for d in computation_node['backend_info']['devices']):
        log.error('There is no such device: %s', device_id)
        abort(404)
Esempio n. 17
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def abort_when_not_int(number):
    try:
        int(number)
    except ValueError:
        log.error(str.format('Number is not valid: {}', number))
        abort(400)