Пример #1
0
class ElasticsearchClientTest(UnitTestSuite):
    def setup(self):
        super(ElasticsearchClientTest, self).setup()
        self.es_client = ElasticsearchClient(ES['servers'],
                                             bulk_refresh_time=3)

    def get_num_events(self):
        self.es_client.flush('events')
        search_query = SearchQuery()
        search_query.add_must(TermMatch('_type', 'event'))
        search_query.add_aggregation(Aggregation('_type'))
        results = search_query.execute(self.es_client)
        if len(results['aggregations']['_type']['terms']) != 0:
            return results['aggregations']['_type']['terms'][0]['count']
        else:
            return 0
Пример #2
0
class UnitTestSuite(object):
    def setup(self):
        current_date = datetime.now()
        self.event_index_name = current_date.strftime("events-%Y%m%d")
        self.previous_event_index_name = (
            current_date - timedelta(days=1)).strftime("events-%Y%m%d")
        self.alert_index_name = current_date.strftime("alerts-%Y%m")
        self.parse_config()

        # Elasticsearch
        self.es_client = ElasticsearchClient(
            list('{0}'.format(s) for s in self.options.esservers))

        # RabbitMQ
        mqConnString = 'amqp://{0}:{1}@{2}:{3}//'.format(
            self.options.mquser, self.options.mqpassword,
            self.options.mqalertserver, self.options.mqport)

        mqAlertConn = Connection(mqConnString)
        alertExchange = Exchange(name=self.options.alertExchange,
                                 type='topic',
                                 durable=True,
                                 delivery_mode=1)
        alertExchange(mqAlertConn).declare()

        alertQueue = Queue(self.options.queueName,
                           exchange=alertExchange,
                           routing_key=self.options.alerttopic,
                           durable=False,
                           no_ack=(not self.options.mqack))
        alertQueue(mqAlertConn).declare()

        self.rabbitmq_alerts_consumer = mqAlertConn.Consumer(alertQueue,
                                                             accept=['json'])

        if pytest.config.option.delete_indexes:
            self.reset_elasticsearch()
            self.setup_elasticsearch()

        if pytest.config.option.delete_queues:
            self.reset_rabbitmq()

    def parse_config(self):
        default_config = os.path.join(os.path.dirname(__file__), "config.conf")
        options = DotDict()
        options.configfile = default_config

        options.esservers = list(
            getConfig('esservers', 'http://localhost:9200',
                      options.configfile).split(','))

        options.alertExchange = getConfig('alertexchange', 'alerts',
                                          options.configfile)
        options.queueName = getConfig('alertqueuename', 'alertBot',
                                      options.configfile)
        options.alerttopic = getConfig('alerttopic', 'mozdef.*',
                                       options.configfile)

        options.mquser = getConfig('mquser', 'guest', options.configfile)
        options.mqalertserver = getConfig('mqalertserver', 'localhost',
                                          options.configfile)
        options.mqpassword = getConfig('mqpassword', 'guest',
                                       options.configfile)
        options.mqport = getConfig('mqport', 5672, options.configfile)
        options.mqack = getConfig('mqack', True, options.configfile)

        self.options = options

    def reset_rabbitmq(self):
        self.rabbitmq_alerts_consumer.channel.queue_purge()

    def teardown(self):
        if pytest.config.option.delete_indexes:
            self.reset_elasticsearch()
        if pytest.config.option.delete_queues:
            self.reset_rabbitmq()

        self.rabbitmq_alerts_consumer.connection.close()
        self.rabbitmq_alerts_consumer.close()

    def populate_test_event(self, event, event_type='event'):
        self.es_client.save_event(body=event, doc_type=event_type)

    def populate_test_object(self, event, event_type='event'):
        self.es_client.save_object(index='events',
                                   body=event,
                                   doc_type=event_type)

    def setup_elasticsearch(self):
        default_mapping_file = os.path.join(
            os.path.dirname(__file__), "../config/defaultMappingTemplate.json")
        mapping_str = ''
        with open(default_mapping_file) as data_file:
            mapping_str = data_file.read()

        self.es_client.create_index(self.event_index_name, mapping=mapping_str)
        self.es_client.create_alias('events', self.event_index_name)
        self.es_client.create_index(self.previous_event_index_name,
                                    mapping=mapping_str)
        self.es_client.create_alias('events-previous',
                                    self.previous_event_index_name)
        self.es_client.create_index(self.alert_index_name, mapping=mapping_str)
        self.es_client.create_alias('alerts', self.alert_index_name)

    def reset_elasticsearch(self):
        self.es_client.delete_index(self.event_index_name, True)
        self.es_client.delete_index('events', True)
        self.es_client.delete_index(self.previous_event_index_name, True)
        self.es_client.delete_index('events-previous', True)
        self.es_client.delete_index(self.alert_index_name, True)
        self.es_client.delete_index('alerts', True)

    def flush(self, index_name):
        self.es_client.flush(index_name)

    def random_ip(self):
        return str(random.randint(1, 255)) + "." + str(random.randint(
            1, 255)) + "." + str(random.randint(1, 255)) + "." + str(
                random.randint(1, 255))

    def generate_default_event(self):
        current_timestamp = UnitTestSuite.current_timestamp_lambda()

        source_ip = self.random_ip()

        event = {
            "_index": "events",
            "_type": "event",
            "_source": {
                "category": "excategory",
                "utctimestamp": current_timestamp,
                "receivedtimestamp": current_timestamp,
                "mozdefhostname": "mozdefhost",
                "hostname": "exhostname",
                "severity": "NOTICE",
                "source": "exsource",
                "summary": "Example summary",
                "tags": ['tag1', 'tag2'],
                "details": {
                    "sourceipaddress": source_ip,
                    "hostname": "exhostname"
                }
            }
        }

        return event

    def verify_event(self, event, expected_event):
        assert sorted(event.keys()) == sorted(expected_event.keys())
        for key, value in expected_event.iteritems():
            if key == 'receivedtimestamp':
                assert type(event[key]) == unicode
            else:
                assert event[
                    key] == value, 'Incorrect match for {0}, expected: {1}'.format(
                        key, value)

    @staticmethod
    def current_timestamp():
        return toUTC(datetime.now()).isoformat()

    @staticmethod
    def subtract_from_timestamp(date_timedelta, timestamp=None):
        if timestamp is None:
            timestamp = UnitTestSuite.current_timestamp()
        utc_time = parse(timestamp)
        custom_date = utc_time - timedelta(**date_timedelta)
        return custom_date.isoformat()

    @staticmethod
    def create_timestamp_from_now(hour, minute, second):
        return toUTC(datetime.now().replace(hour=hour,
                                            minute=minute,
                                            second=second).isoformat())

    @staticmethod
    def current_timestamp_lambda():
        return lambda: UnitTestSuite.current_timestamp()

    @staticmethod
    def subtract_from_timestamp_lambda(date_timedelta, timestamp=None):
        return lambda: UnitTestSuite.subtract_from_timestamp(
            date_timedelta, timestamp)

    @staticmethod
    def create_timestamp_from_now_lambda(hour, minute, second):
        return lambda: UnitTestSuite.create_timestamp_from_now(
            hour, minute, second)
Пример #3
0
class UnitTestSuite(object):
    def setup(self):
        self.event_index_name = datetime.now().strftime("events-%Y%m%d")
        self.previous_event_index_name = (
            datetime.now() - timedelta(days=1)).strftime("events-%Y%m%d")
        self.alert_index_name = datetime.now().strftime("alerts-%Y%m")
        self.es_client = ElasticsearchClient(ES['servers'])

        if pytest.config.option.delete_indexes:
            self.reset_elasticsearch()
            self.setup_elasticsearch()

    def teardown(self):
        if pytest.config.option.delete_indexes:
            self.reset_elasticsearch()

    def populate_test_event(self, event, event_type='event'):
        self.es_client.save_event(body=event, doc_type=event_type)
        self.es_client.flush(self.event_index_name)

    def setup_elasticsearch(self):
        self.es_client.create_index(self.event_index_name)
        self.es_client.create_alias('events', self.event_index_name)
        self.es_client.create_index(self.previous_event_index_name)
        self.es_client.create_alias('events-previous',
                                    self.previous_event_index_name)
        self.es_client.create_index(self.alert_index_name)
        self.es_client.create_alias('alerts', self.alert_index_name)

    def reset_elasticsearch(self):
        self.es_client.delete_index(self.event_index_name, True)
        self.es_client.delete_index('events', True)
        self.es_client.delete_index(self.previous_event_index_name, True)
        self.es_client.delete_index('events-previous', True)
        self.es_client.delete_index(self.alert_index_name, True)
        self.es_client.delete_index('alerts', True)

    def random_ip(self):
        return str(random.randint(1, 255)) + "." + str(random.randint(
            1, 255)) + "." + str(random.randint(1, 255)) + "." + str(
                random.randint(1, 255))

    def generate_default_event(self):
        current_timestamp = UnitTestSuite.current_timestamp_lambda()

        source_ip = self.random_ip()

        event = {
            "_index": "events",
            "_type": "event",
            "_source": {
                "category": "excategory",
                "utctimestamp": current_timestamp,
                "hostname": "exhostname",
                "severity": "NOTICE",
                "source": "exsource",
                "summary": "Example summary",
                "tags": ['tag1', 'tag2'],
                "details": {
                    "sourceipaddress": source_ip,
                    "hostname": "exhostname"
                }
            }
        }

        return event

    def verify_event(self, event, expected_event):
        assert sorted(event.keys()) == sorted(expected_event.keys())
        for key, value in expected_event.iteritems():
            if key == 'receivedtimestamp':
                assert type(event[key]) == unicode
            else:
                assert event[
                    key] == value, 'Incorrect match for {0}, expected: {1}'.format(
                        key, value)

    @staticmethod
    def current_timestamp():
        return toUTC(datetime.now()).isoformat()

    @staticmethod
    def subtract_from_timestamp(date_timedelta, timestamp=None):
        if timestamp is None:
            timestamp = UnitTestSuite.current_timestamp()
        utc_time = parse(timestamp)
        custom_date = utc_time - timedelta(**date_timedelta)
        return custom_date.isoformat()

    @staticmethod
    def current_timestamp_lambda():
        return lambda: UnitTestSuite.current_timestamp()

    @staticmethod
    def subtract_from_timestamp_lambda(date_timedelta, timestamp=None):
        return lambda: UnitTestSuite.subtract_from_timestamp(
            date_timedelta, timestamp)