Пример #1
0
def test_get_state_detectors(neo4j_session):
    data = [
        ["1", "8", ["15", "22", "29"]],
        ["2", "9", ["16", "23", "30"]],
        ["3", "10", ["17", "24", "31"]],
        ["4", "11", ["18", "25", "32"]],
        ["5", "12", ["19", "26", "33"]],
        ["6", "13", ["20", "27", "34"]],
        ["7", "14", ["21", "28", "35"]],
        ["36", "37", ["38", "39", "40"]],
    ]
    ingest_nodes = """
        MERGE (person:Person{test: {test}})
        SET person.test2 = {test2},
        person.test3 = {test3}
        """
    for node in data:
        test = node[0]
        test2 = node[1]
        test3 = node[2]
        neo4j_session.run(
            ingest_nodes,
            test=test,
            test2=test2,
            test3=test3,
        )

    query_directory = "tests/data/test_update_detectors/test_detector"
    state_serializer = StateSchema()
    shortcut_serializer = ShortcutSchema()
    storage = FileSystem

    file_1 = str(datetime.datetime(2019, 1, 1, 0, 0, 2)) + ".json"
    file_2 = str(datetime.datetime(2019, 1, 1, 0, 0, 1)) + ".json"

    get_query_state(neo4j_session, query_directory, state_serializer, storage,
                    file_1)
    add_shortcut(FileSystem(), ShortcutSchema(), query_directory,
                 "most-recent", file_1)

    detector_1_data = FileSystem.load(os.path.join(query_directory, file_1))
    detector_1 = state_serializer.load(detector_1_data)

    detector_2_data = FileSystem.load(os.path.join(query_directory, file_2))
    detector_2 = state_serializer.load(detector_2_data)

    assert detector_1.name == detector_2.name
    assert detector_1.validation_query == detector_2.validation_query
    assert detector_1.properties == detector_2.properties
    assert detector_1.results == detector_2.results

    shortcut_data = FileSystem.load(
        os.path.join(query_directory, "shortcut.json"))
    shortcut = shortcut_serializer.load(shortcut_data)
    assert shortcut.shortcuts['most-recent'] == file_1
    shortcut_data = shortcut_serializer.dump(shortcut)
    FileSystem.write(shortcut_data,
                     os.path.join(query_directory, "shortcut.json"))
Пример #2
0
def run_get_states(config):
    """
    Handles neo4j errors and then updates detectors.

    :type config: Config Object
    :param config: Config Object from CLI
    :return:
    """
    if not valid_directory(config.drift_detection_directory):
        logger.error("Invalid Drift Detection Directory")
        return
    neo4j_auth = None
    if config.neo4j_user or config.neo4j_password:
        neo4j_auth = (config.neo4j_user, config.neo4j_password)
    try:
        neo4j_driver = GraphDatabase.driver(
            config.neo4j_uri,
            auth=neo4j_auth,
        )
    except neobolt.exceptions.ServiceUnavailable as e:
        logger.debug("Error occurred during Neo4j connect.", exc_info=True)
        logger.error(
            ("Unable to connect to Neo4j using the provided URI '%s', an error occurred: '%s'. Make sure the "
             "Neo4j server is running and accessible from your network."),
            config.neo4j_uri,
            e,
        )
        return
    except neobolt.exceptions.AuthError as e:
        logger.debug("Error occurred during Neo4j auth.", exc_info=True)
        if not neo4j_auth:
            logger.error(
                ("Unable to auth to Neo4j, an error occurred: '%s'. driftdetect attempted to connect to Neo4j "
                 "without any auth. Check your Neo4j server settings to see if auth is required and, if it is, "
                 "provide driftdetect with a valid username and password."),
                e,
            )
        else:
            logger.error(
                ("Unable to auth to Neo4j, an error occurred: '%s'. driftdetect attempted to connect to Neo4j "
                 "with a username and password. Check your Neo4j server settings to see if the username and "
                 "password provided to driftdetect are valid credentials."),
                e,
            )
        return

    with neo4j_driver.session() as session:
        filename = '.'.join([str(i) for i in time.gmtime()] + ["json"])
        state_serializer = StateSchema()
        shortcut_serializer = ShortcutSchema()
        for query_directory in FileSystem.walk(
                config.drift_detection_directory):
            try:
                get_query_state(session, query_directory, state_serializer,
                                FileSystem, filename)
                add_shortcut(FileSystem, shortcut_serializer, query_directory,
                             'most-recent', filename)
            except ValidationError as err:
                msg = "Unable to create State for directory {}, with data \n{}".format(
                    query_directory,
                    err.messages,
                )
                logger.exception(msg)
            except KeyError as err:
                msg = f"Could not find {err} field in state template for directory {query_directory}."
                logger.exception(msg)
            except FileNotFoundError as err:
                logger.exception(err)
            except neobolt.exceptions.CypherSyntaxError as err:
                logger.exception(err)