@Override
protected List<ConfigIssue> init() {
List<ConfigIssue> issues = new ArrayList<ConfigIssue>();
if (topic == null || topic.isEmpty()) {
issues.add(
getContext().createConfigIssue(Groups.KAFKA.name(), "topic", KafkaErrors.KAFKA_05));
}
// maxWaitTime
if (maxWaitTime < 1) {
issues.add(
getContext().createConfigIssue(Groups.KAFKA.name(), "maxWaitTime", KafkaErrors.KAFKA_35));
}
switch (dataFormat) {
case JSON:
if (jsonMaxObjectLen < 1) {
issues.add(
getContext()
.createConfigIssue(Groups.JSON.name(), "maxJsonObjectLen", KafkaErrors.KAFKA_38));
}
break;
case TEXT:
if (textMaxLineLen < 1) {
issues.add(
getContext()
.createConfigIssue(Groups.TEXT.name(), "maxLogLineLength", KafkaErrors.KAFKA_38));
}
break;
case DELIMITED:
if (csvMaxObjectLen < 1) {
issues.add(
getContext()
.createConfigIssue(
Groups.DELIMITED.name(), "csvMaxObjectLen", KafkaErrors.KAFKA_38));
}
break;
case XML:
if (produceSingleRecordPerMessage) {
issues.add(
getContext()
.createConfigIssue(
Groups.KAFKA.name(), "produceSingleRecordPerMessage", KafkaErrors.KAFKA_40));
}
if (xmlMaxObjectLen < 1) {
issues.add(
getContext()
.createConfigIssue(Groups.XML.name(), "maxXmlObjectLen", KafkaErrors.KAFKA_38));
}
if (xmlRecordElement != null
&& !xmlRecordElement.isEmpty()
&& !XMLChar.isValidName(xmlRecordElement)) {
issues.add(
getContext()
.createConfigIssue(
Groups.XML.name(),
"xmlRecordElement",
KafkaErrors.KAFKA_36,
xmlRecordElement));
}
break;
case SDC_JSON:
case BINARY:
break;
case LOG:
logDataFormatValidator =
new LogDataFormatValidator(
logMode,
logMaxObjectLen,
logRetainOriginalLine,
customLogFormat,
regex,
grokPatternDefinition,
grokPattern,
enableLog4jCustomLogFormat,
log4jCustomLogFormat,
onParseError,
maxStackTraceLines,
Groups.LOG.name(),
getFieldPathToGroupMap(fieldPathsToGroupName));
logDataFormatValidator.validateLogFormatConfig(issues, getContext());
break;
case AVRO:
if (!messageHasSchema && (avroSchema == null || avroSchema.isEmpty())) {
issues.add(
getContext()
.createConfigIssue(
Groups.AVRO.name(), "avroSchema", KafkaErrors.KAFKA_43, avroSchema));
}
break;
default:
issues.add(
getContext()
.createConfigIssue(
Groups.KAFKA.name(), "dataFormat", KafkaErrors.KAFKA_39, dataFormat));
}
validateParserFactoryConfigs(issues);
// Validate broker config
try {
int partitionCount = KafkaUtil.getPartitionCount(metadataBrokerList, topic, 3, 1000);
if (partitionCount < 1) {
issues.add(
getContext()
.createConfigIssue(Groups.KAFKA.name(), "topic", KafkaErrors.KAFKA_42, topic));
} else {
// cache the partition count as parallelism for future use
originParallelism = partitionCount;
}
} catch (IOException e) {
issues.add(
getContext()
.createConfigIssue(
Groups.KAFKA.name(), "topic", KafkaErrors.KAFKA_41, topic, e.toString(), e));
}
// Validate zookeeper config
List<KafkaBroker> kafkaBrokers =
KafkaUtil.validateZkConnectionString(
issues, zookeeperConnect, Groups.KAFKA.name(), "zookeeperConnect", getContext());
// validate connecting to kafka
if (kafkaBrokers != null && !kafkaBrokers.isEmpty() && topic != null && !topic.isEmpty()) {
kafkaConsumer =
new KafkaConsumer(
zookeeperConnect,
topic,
consumerGroup,
maxBatchSize,
maxWaitTime,
kafkaConsumerConfigs,
getContext());
kafkaConsumer.validate(issues, getContext());
}
// consumerGroup
if (consumerGroup == null || consumerGroup.isEmpty()) {
issues.add(
getContext()
.createConfigIssue(Groups.KAFKA.name(), "consumerGroup", KafkaErrors.KAFKA_33));
}
return issues;
}
public List<Stage.ConfigIssue> init(Source.Context context) {
List<Stage.ConfigIssue> issues = new ArrayList<>();
switch (dataFormat) {
case JSON:
if (dataFormatConfig.jsonMaxObjectLen < 1) {
issues.add(
context.createConfigIssue(
DataFormat.JSON.name(),
"dataFormatConfig.maxJsonObjectLen",
ParserErrors.PARSER_04));
}
break;
case TEXT:
if (dataFormatConfig.textMaxLineLen < 1) {
issues.add(
context.createConfigIssue(
DataFormat.TEXT.name(),
"dataFormatConfig.maxLogLineLength",
ParserErrors.PARSER_04));
}
break;
case DELIMITED:
if (dataFormatConfig.csvMaxObjectLen < 1) {
issues.add(
context.createConfigIssue(
DataFormat.DELIMITED.name(),
"dataFormatConfig.csvMaxObjectLen",
ParserErrors.PARSER_04));
}
break;
case XML:
if (messageConfig != null && messageConfig.produceSingleRecordPerMessage) {
issues.add(
context.createConfigIssue(
parentName,
"messageConfig.produceSingleRecordPerMessage",
ParserErrors.PARSER_06));
}
if (dataFormatConfig.xmlMaxObjectLen < 1) {
issues.add(
context.createConfigIssue(
DataFormat.XML.name(),
"dataFormatConfig.maxXmlObjectLen",
ParserErrors.PARSER_04));
}
if (dataFormatConfig.xmlRecordElement != null
&& !dataFormatConfig.xmlRecordElement.isEmpty()
&& !XMLChar.isValidName(dataFormatConfig.xmlRecordElement)) {
issues.add(
context.createConfigIssue(
DataFormat.XML.name(),
"dataFormatConfig.xmlRecordElement",
ParserErrors.PARSER_02,
dataFormatConfig.xmlRecordElement));
}
break;
case SDC_JSON:
break;
case LOG:
logDataFormatValidator =
new LogDataFormatValidator(
dataFormatConfig.logMode,
dataFormatConfig.logMaxObjectLen,
dataFormatConfig.retainOriginalLine,
dataFormatConfig.customLogFormat,
dataFormatConfig.regex,
dataFormatConfig.grokPatternDefinition,
dataFormatConfig.grokPattern,
dataFormatConfig.enableLog4jCustomLogFormat,
dataFormatConfig.log4jCustomLogFormat,
dataFormatConfig.onParseError,
dataFormatConfig.maxStackTraceLines,
DataFormat.LOG.name(),
getFieldPathToGroupMap(dataFormatConfig.fieldPathsToGroupName));
logDataFormatValidator.validateLogFormatConfig(issues, context);
break;
case AVRO:
if (!dataFormatConfig.schemaInMessage
&& (dataFormatConfig.avroSchema == null || dataFormatConfig.avroSchema.isEmpty())) {
issues.add(
context.createConfigIssue(
DataFormat.AVRO.name(),
"dataFormatConfig.avroSchema",
ParserErrors.PARSER_07,
dataFormatConfig.avroSchema));
}
break;
default:
issues.add(
context.createConfigIssue(
parentName, "dataFormat", ParserErrors.PARSER_05, dataFormat));
}
DataParserFactoryBuilder builder =
new DataParserFactoryBuilder(context, dataFormat.getParserFormat())
.setCharset(Charset.defaultCharset());
if (dataFormatConfig.charset == null) {
messageCharset = StandardCharsets.UTF_8;
} else {
try {
messageCharset = Charset.forName(dataFormatConfig.charset);
} catch (UnsupportedCharsetException ex) {
// setting it to a valid one so the parser factory can be configured and tested for more
// errors
messageCharset = StandardCharsets.UTF_8;
issues.add(
context.createConfigIssue(
parentName, "charset", ParserErrors.PARSER_01, dataFormatConfig.charset));
}
}
builder.setCharset(messageCharset).setRemoveCtrlChars(dataFormatConfig.removeCtrlChars);
switch (dataFormat) {
case TEXT:
builder.setMaxDataLen(dataFormatConfig.textMaxLineLen);
break;
case JSON:
builder.setMode(dataFormatConfig.jsonContent);
builder.setMaxDataLen(dataFormatConfig.jsonMaxObjectLen);
break;
case DELIMITED:
builder
.setMaxDataLen(dataFormatConfig.csvMaxObjectLen)
.setMode(dataFormatConfig.csvFileFormat)
.setMode(dataFormatConfig.csvHeader)
.setMode(dataFormatConfig.csvRecordType)
.setConfig(
DelimitedDataParserFactory.DELIMITER_CONFIG, dataFormatConfig.csvCustomDelimiter)
.setConfig(DelimitedDataParserFactory.ESCAPE_CONFIG, dataFormatConfig.csvCustomEscape)
.setConfig(DelimitedDataParserFactory.QUOTE_CONFIG, dataFormatConfig.csvCustomQuote);
break;
case XML:
builder.setMaxDataLen(dataFormatConfig.xmlMaxObjectLen);
builder.setConfig(
XmlDataParserFactory.RECORD_ELEMENT_KEY, dataFormatConfig.xmlRecordElement);
break;
case SDC_JSON:
builder.setMaxDataLen(-1);
break;
case LOG:
logDataFormatValidator.populateBuilder(builder);
break;
case AVRO:
builder
.setMaxDataLen(Integer.MAX_VALUE)
.setConfig(AvroDataParserFactory.SCHEMA_KEY, dataFormatConfig.avroSchema)
.setConfig(
AvroDataParserFactory.SCHEMA_IN_MESSAGE_KEY, dataFormatConfig.schemaInMessage);
break;
default:
throw new IllegalStateException("Unknown data format: " + dataFormat);
}
parserFactory = builder.build();
return issues;
}