Examples with DescribeConnector io.confluent.ksql.parser.tree.DescribeConnector used on opensource projects

Example 1 with DescribeConnector

use of io.confluent.ksql.parser.tree.DescribeConnector in project ksql by confluentinc.

the class DescribeConnectorExecutor method execute.

@SuppressWarnings("OptionalGetWithoutIsPresent")
public StatementExecutorResponse execute(final ConfiguredStatement<DescribeConnector> configuredStatement, final SessionProperties sessionProperties, final KsqlExecutionContext ksqlExecutionContext, final ServiceContext serviceContext) {
    final String connectorName = configuredStatement.getStatement().getConnectorName();
    final ConnectResponse<ConnectorStateInfo> statusResponse = serviceContext.getConnectClient().status(connectorName);
    if (statusResponse.error().isPresent()) {
        return StatementExecutorResponse.handled(connectErrorHandler.handle(configuredStatement, statusResponse));
    }
    final ConnectResponse<ConnectorInfo> infoResponse = serviceContext.getConnectClient().describe(connectorName);
    if (infoResponse.error().isPresent()) {
        return StatementExecutorResponse.handled(connectErrorHandler.handle(configuredStatement, infoResponse));
    }
    final ConnectorStateInfo status = statusResponse.datum().get();
    final ConnectorInfo info = infoResponse.datum().get();
    final Optional<Connector> connector = connectorFactory.apply(info);
    final List<KsqlWarning> warnings;
    final List<String> topics;
    if (connector.isPresent()) {
        // Small optimization. If a connector's info is not found in the response, don't query for
        // active topics with the given connectorName
        final ConnectResponse<Map<String, Map<String, List<String>>>> topicsResponse = serviceContext.getConnectClient().topics(connectorName);
        // server logs.
        if (topicsResponse.error().isPresent() && topicsResponse.httpCode() == HttpStatus.SC_NOT_FOUND) {
            topics = ImmutableList.of();
            warnings = ImmutableList.of();
            LOG.warn("Could not list related topics due to error: " + topicsResponse.error().get());
        } else if (topicsResponse.error().isPresent()) {
            topics = ImmutableList.of();
            warnings = ImmutableList.of(new KsqlWarning("Could not list related topics due to error: " + topicsResponse.error().get()));
        } else {
            topics = topicsResponse.datum().get().get(connectorName).getOrDefault(TOPICS_KEY, ImmutableList.of());
            warnings = ImmutableList.of();
        }
    } else {
        topics = ImmutableList.of();
        warnings = ImmutableList.of();
    }
    final List<SourceDescription> sources;
    if (connector.isPresent()) {
        sources = ksqlExecutionContext.getMetaStore().getAllDataSources().values().stream().filter(source -> topics.contains(source.getKafkaTopicName())).map(source -> SourceDescriptionFactory.create(source, false, ImmutableList.of(), ImmutableList.of(), Optional.empty(), ImmutableList.of(), ImmutableList.of(), ksqlExecutionContext.metricCollectors())).collect(Collectors.toList());
    } else {
        sources = ImmutableList.of();
    }
    final ConnectorDescription description = new ConnectorDescription(configuredStatement.getStatementText(), info.config().get(ConnectorConfig.CONNECTOR_CLASS_CONFIG), status, sources, topics, warnings);
    return StatementExecutorResponse.handled(Optional.of(description));
}

Example 2 with DescribeConnector

use of io.confluent.ksql.parser.tree.DescribeConnector in project ksql by confluentinc.

the class DescribeConnectorExecutorTest method setUp.

@Before
public void setUp() {
    final MetricCollectors metricCollectors = new MetricCollectors();
    when(engine.getMetaStore()).thenReturn(metaStore);
    when(engine.metricCollectors()).thenReturn(metricCollectors);
    when(serviceContext.getConnectClient()).thenReturn(connectClient);
    when(metaStore.getAllDataSources()).thenReturn(ImmutableMap.of(SourceName.of("source"), source));
    when(source.getKafkaTopicName()).thenReturn(TOPIC);
    when(source.getSqlExpression()).thenReturn(STATEMENT);
    when(source.getKsqlTopic()).thenReturn(new KsqlTopic(TOPIC, KeyFormat.nonWindowed(FormatInfo.of(FormatFactory.AVRO.name()), SerdeFeatures.of()), ValueFormat.of(FormatInfo.of(FormatFactory.AVRO.name()), SerdeFeatures.of())));
    when(source.getSchema()).thenReturn(LogicalSchema.builder().keyColumn(SystemColumns.ROWKEY_NAME, SqlTypes.STRING).valueColumn(ColumnName.of("foo"), SqlPrimitiveType.of(SqlBaseType.STRING)).build());
    when(source.getDataSourceType()).thenReturn(DataSourceType.KTABLE);
    when(source.getName()).thenReturn(SourceName.of("source"));
    when(connectClient.status(CONNECTOR_NAME)).thenReturn(ConnectResponse.success(STATUS, HttpStatus.SC_OK));
    when(connectClient.describe("connector")).thenReturn(ConnectResponse.success(INFO, HttpStatus.SC_OK));
    connectorFactory = info -> Optional.of(connector);
    executor = new DescribeConnectorExecutor(connectorFactory, new DefaultConnectServerErrors());
    final DescribeConnector describeConnector = new DescribeConnector(Optional.empty(), "connector");
    final KsqlConfig ksqlConfig = new KsqlConfig(ImmutableMap.of());
    describeStatement = ConfiguredStatement.of(PreparedStatement.of("statementText", describeConnector), SessionConfig.of(ksqlConfig, ImmutableMap.of()));
}