TyrantLucifer commented on code in PR #3631: URL: https://github.com/apache/incubator-seatunnel/pull/3631#discussion_r1038748425
########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisSinkManager.java: ########## @@ -0,0 +1,161 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorErrorCode; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; + +import com.google.common.base.Strings; +import com.google.common.util.concurrent.ThreadFactoryBuilder; +import lombok.extern.slf4j.Slf4j; + +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.List; +import java.util.UUID; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.ScheduledFuture; +import java.util.concurrent.TimeUnit; + +@Slf4j +public class DorisSinkManager { + + private final SinkConfig sinkConfig; + private final List<byte[]> batchList; + + private DorisStreamLoadVisitor dorisStreamLoadVisitor; + private ScheduledExecutorService scheduler; + private ScheduledFuture<?> scheduledFuture; + private volatile boolean initialize; + private volatile Exception flushException; + private int batchRowCount = 0; + private long batchBytesSize = 0; + + private Integer batchIntervalMs; + + public DorisSinkManager(SinkConfig sinkConfig, List<String> fileNames) { + this.sinkConfig = sinkConfig; + this.batchList = new ArrayList<>(); + this.batchIntervalMs = sinkConfig.getBatchIntervalMs(); + dorisStreamLoadVisitor = new DorisStreamLoadVisitor(sinkConfig, fileNames); + } + + private void tryInit() throws IOException { + if (initialize) { + return; + } + initialize = true; + + if (batchIntervalMs != null) { + scheduler = Executors.newSingleThreadScheduledExecutor( + new ThreadFactoryBuilder().setNameFormat("Doris-sink-output-%s").build()); + scheduledFuture = scheduler.scheduleAtFixedRate( + () -> { + try { + flush(); + } catch (IOException e) { + flushException = e; + } + }, + batchIntervalMs, + batchIntervalMs, + TimeUnit.MILLISECONDS); + } + } + + public synchronized void write(String record) throws IOException { + tryInit(); + checkFlushException(); + byte[] bts = record.getBytes(StandardCharsets.UTF_8); + batchList.add(bts); + batchRowCount++; + batchBytesSize += bts.length; + if (batchRowCount >= sinkConfig.getBatchMaxSize() || batchBytesSize >= sinkConfig.getBatchMaxBytes()) { + flush(); + } + } + + public synchronized void close() throws IOException { + if (scheduledFuture != null) { + scheduledFuture.cancel(false); + scheduler.shutdown(); + } + + flush(); + } + + public synchronized void flush() throws IOException { + checkFlushException(); + if (batchList.isEmpty()) { + return; + } + String label = createBatchLabel(); + DorisFlushTuple tuple = new DorisFlushTuple(label, batchBytesSize, new ArrayList<>(batchList)); + for (int i = 0; i <= sinkConfig.getMaxRetries(); i++) { + try { + Boolean successFlag = dorisStreamLoadVisitor.doStreamLoad(tuple); + if (successFlag) { + break; + } + } catch (Exception e) { + log.warn("Writing records to Doris failed, retry times = {}", i, e); + if (i >= sinkConfig.getMaxRetries()) { + throw new DorisConnectorException(DorisConnectorErrorCode.WRITE_RECORDS_FAILED, "The number of retries was exceeded,writing records to Doris failed.", e); + } + + if (e instanceof DorisConnectorException && ((DorisConnectorException) e).needReCreateLabel()) { + String newLabel = createBatchLabel(); + log.warn(String.format("Batch label changed from [%s] to [%s]", tuple.getLabel(), newLabel)); + tuple.setLabel(newLabel); + } + + try { + long backoff = Math.min(sinkConfig.getRetryBackoffMultiplierMs() * i, + sinkConfig.getMaxRetryBackoffMs()); + Thread.sleep(backoff); + } catch (InterruptedException ex) { + Thread.currentThread().interrupt(); + throw new IOException( Review Comment: Unified exception ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisStreamLoadVisitor.java: ########## @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.utils.JsonUtils; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; + +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.codec.binary.Base64; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +@Slf4j +public class DorisStreamLoadVisitor { + private final HttpHelper httpHelper = new HttpHelper(); + private static final int MAX_SLEEP_TIME = 5; + + private final SinkConfig sinkConfig; + private long pos; + private static final String RESULT_FAILED = "Fail"; + private static final String RESULT_SUCCESS = "Success"; + private static final String RESULT_LABEL_EXISTED = "Label Already Exists"; + private static final String LAEBL_STATE_VISIBLE = "VISIBLE"; + private static final String LAEBL_STATE_COMMITTED = "COMMITTED"; + private static final String RESULT_LABEL_PREPARE = "PREPARE"; + private static final String RESULT_LABEL_ABORTED = "ABORTED"; + private static final String RESULT_LABEL_UNKNOWN = "UNKNOWN"; + + private List<String> fieldNames; + + public DorisStreamLoadVisitor(SinkConfig sinkConfig, List<String> fieldNames) { + this.sinkConfig = sinkConfig; + this.fieldNames = fieldNames; + } + + public Boolean doStreamLoad(DorisFlushTuple flushData) throws IOException { + String host = getAvailableHost(); + if (null == host) { + throw new DorisConnectorException(CommonErrorCode.ILLEGAL_ARGUMENT, "None of the host in `load_url` could be connected."); + } + String loadUrl = new StringBuilder(host) + .append("/api/") + .append(sinkConfig.getDatabase()) + .append("/") + .append(sinkConfig.getTable()) + .append("/_stream_load") + .toString(); + if (log.isDebugEnabled()) { + log.debug(String.format("Start to join batch data: rows[%d] bytes[%d] label[%s].", flushData.getRows().size(), flushData.getBytes(), flushData.getLabel())); + } + Map<String, Object> loadResult = httpHelper.doHttpPut(loadUrl, joinRows(flushData.getRows(), flushData.getBytes().intValue()), getStreamLoadHttpHeader(flushData.getLabel())); + final String keyStatus = "Status"; + if (null == loadResult || !loadResult.containsKey(keyStatus)) { + log.error("unknown result status. {}", loadResult); + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Unable to flush data to Doris: unknown result status. " + loadResult); + } + if (log.isDebugEnabled()) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + } + if (RESULT_FAILED.equals(loadResult.get(keyStatus))) { + StringBuilder errorBuilder = new StringBuilder("Failed to flush data to Doris.\n"); + if (loadResult.containsKey("Message")) { + errorBuilder.append(loadResult.get("Message")); + errorBuilder.append('\n'); + } + if (loadResult.containsKey("ErrorURL")) { + log.error("StreamLoad response: {}", loadResult); Review Comment: Remove useless log.error, join it in error message ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/sink/DorisSinkWriter.java: ########## @@ -0,0 +1,94 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.sink; + +import org.apache.seatunnel.api.serialization.SerializationSchema; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.connectors.doris.client.DorisSinkManager; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; +import org.apache.seatunnel.connectors.seatunnel.common.sink.AbstractSinkWriter; +import org.apache.seatunnel.format.json.JsonSerializationSchema; +import org.apache.seatunnel.format.text.TextSerializationSchema; + +import org.apache.seatunnel.shade.com.typesafe.config.Config; + +import lombok.SneakyThrows; +import lombok.extern.slf4j.Slf4j; + +import java.io.IOException; +import java.util.Arrays; +import java.util.List; +import java.util.Optional; +import java.util.stream.Collectors; + +@Slf4j +public class DorisSinkWriter extends AbstractSinkWriter<SeaTunnelRow, Void> { + + private final SerializationSchema serializationSchema; + private final DorisSinkManager manager; + + public DorisSinkWriter(Config pluginConfig, + SeaTunnelRowType seaTunnelRowType) { + SinkConfig sinkConfig = SinkConfig.loadConfig(pluginConfig); + List<String> fieldNames = Arrays.stream(seaTunnelRowType.getFieldNames()).collect(Collectors.toList()); + this.serializationSchema = createSerializer(sinkConfig, seaTunnelRowType); + this.manager = new DorisSinkManager(sinkConfig, fieldNames); + } + + @Override + public void write(SeaTunnelRow element) throws IOException { + String record = new String(serializationSchema.serialize(element)); + manager.write(record); + } + + @SneakyThrows + @Override + public Optional<Void> prepareCommit() { + // Flush to storage before snapshot state is performed + manager.flush(); + return super.prepareCommit(); + } + + @Override + public void close() throws IOException { + try { + if (manager != null) { + manager.close(); + } + } catch (IOException e) { + log.error("Close doris manager failed.", e); + throw new IOException("Close doris manager failed.", e); + } + } + + public static SerializationSchema createSerializer(SinkConfig sinkConfig, SeaTunnelRowType seaTunnelRowType) { + if (SinkConfig.StreamLoadFormat.CSV.equals(sinkConfig.getLoadFormat())) { + String columnSeparator = DelimiterParserUtil.parse(sinkConfig.getColumnSeparator(), "\t"); + return TextSerializationSchema.builder() + .seaTunnelRowType(seaTunnelRowType) + .delimiter(columnSeparator) + .build(); + } + if (SinkConfig.StreamLoadFormat.JSON.equals(sinkConfig.getLoadFormat())) { + return new JsonSerializationSchema(seaTunnelRowType); + } + throw new RuntimeException("Failed to create row serializer, unsupported `format` from stream load properties."); Review Comment: Unified exception ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/sink/DorisSink.java: ########## @@ -0,0 +1,76 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.sink; + +import static org.apache.seatunnel.connectors.doris.config.SinkConfig.DATABASE; +import static org.apache.seatunnel.connectors.doris.config.SinkConfig.NODE_URLS; +import static org.apache.seatunnel.connectors.doris.config.SinkConfig.PASSWORD; +import static org.apache.seatunnel.connectors.doris.config.SinkConfig.TABLE; +import static org.apache.seatunnel.connectors.doris.config.SinkConfig.USERNAME; + +import org.apache.seatunnel.api.common.PrepareFailException; +import org.apache.seatunnel.api.sink.SeaTunnelSink; +import org.apache.seatunnel.api.sink.SinkWriter; +import org.apache.seatunnel.api.table.type.SeaTunnelDataType; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.common.config.CheckConfigUtil; +import org.apache.seatunnel.common.config.CheckResult; +import org.apache.seatunnel.common.constants.PluginType; +import org.apache.seatunnel.connectors.seatunnel.common.sink.AbstractSimpleSink; +import org.apache.seatunnel.connectors.seatunnel.common.sink.AbstractSinkWriter; + +import org.apache.seatunnel.shade.com.typesafe.config.Config; + +import com.google.auto.service.AutoService; + +@AutoService(SeaTunnelSink.class) +public class DorisSink extends AbstractSimpleSink<SeaTunnelRow, Void> { + + private Config pluginConfig; + private SeaTunnelRowType seaTunnelRowType; + + @Override + public String getPluginName() { + return "Doris"; + } + + @Override + public void prepare(Config pluginConfig) throws PrepareFailException { + this.pluginConfig = pluginConfig; + CheckResult result = CheckConfigUtil.checkAllExists(pluginConfig, NODE_URLS.key(), DATABASE.key(), TABLE.key(), USERNAME.key(), PASSWORD.key()); + if (!result.isSuccess()) { + throw new PrepareFailException(getPluginName(), PluginType.SOURCE, result.getMsg()); Review Comment: Unified exception ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisStreamLoadVisitor.java: ########## @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.utils.JsonUtils; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; + +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.codec.binary.Base64; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +@Slf4j +public class DorisStreamLoadVisitor { + private final HttpHelper httpHelper = new HttpHelper(); + private static final int MAX_SLEEP_TIME = 5; + + private final SinkConfig sinkConfig; + private long pos; + private static final String RESULT_FAILED = "Fail"; + private static final String RESULT_SUCCESS = "Success"; + private static final String RESULT_LABEL_EXISTED = "Label Already Exists"; + private static final String LAEBL_STATE_VISIBLE = "VISIBLE"; + private static final String LAEBL_STATE_COMMITTED = "COMMITTED"; + private static final String RESULT_LABEL_PREPARE = "PREPARE"; + private static final String RESULT_LABEL_ABORTED = "ABORTED"; + private static final String RESULT_LABEL_UNKNOWN = "UNKNOWN"; + + private List<String> fieldNames; + + public DorisStreamLoadVisitor(SinkConfig sinkConfig, List<String> fieldNames) { + this.sinkConfig = sinkConfig; + this.fieldNames = fieldNames; + } + + public Boolean doStreamLoad(DorisFlushTuple flushData) throws IOException { + String host = getAvailableHost(); + if (null == host) { + throw new DorisConnectorException(CommonErrorCode.ILLEGAL_ARGUMENT, "None of the host in `load_url` could be connected."); + } + String loadUrl = new StringBuilder(host) + .append("/api/") + .append(sinkConfig.getDatabase()) + .append("/") + .append(sinkConfig.getTable()) + .append("/_stream_load") + .toString(); + if (log.isDebugEnabled()) { + log.debug(String.format("Start to join batch data: rows[%d] bytes[%d] label[%s].", flushData.getRows().size(), flushData.getBytes(), flushData.getLabel())); + } + Map<String, Object> loadResult = httpHelper.doHttpPut(loadUrl, joinRows(flushData.getRows(), flushData.getBytes().intValue()), getStreamLoadHttpHeader(flushData.getLabel())); + final String keyStatus = "Status"; + if (null == loadResult || !loadResult.containsKey(keyStatus)) { + log.error("unknown result status. {}", loadResult); + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Unable to flush data to Doris: unknown result status. " + loadResult); + } + if (log.isDebugEnabled()) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + } + if (RESULT_FAILED.equals(loadResult.get(keyStatus))) { + StringBuilder errorBuilder = new StringBuilder("Failed to flush data to Doris.\n"); + if (loadResult.containsKey("Message")) { + errorBuilder.append(loadResult.get("Message")); + errorBuilder.append('\n'); + } + if (loadResult.containsKey("ErrorURL")) { + log.error("StreamLoad response: {}", loadResult); + try { + errorBuilder.append(httpHelper.doHttpGet(loadResult.get("ErrorURL").toString())); + errorBuilder.append('\n'); + } catch (IOException e) { + log.warn("Get Error URL failed. {} ", loadResult.get("ErrorURL"), e); + } + } else { + errorBuilder.append(JsonUtils.toJsonString(loadResult)); + errorBuilder.append('\n'); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, errorBuilder.toString()); + } else if (RESULT_LABEL_EXISTED.equals(loadResult.get(keyStatus))) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + // has to block-checking the state to get the final result + checkLabelState(host, flushData.getLabel()); + } + return RESULT_SUCCESS.equals(loadResult.get(keyStatus)); + } + + private String getAvailableHost() { + List<String> hostList = sinkConfig.getNodeUrls(); + long tmp = pos + hostList.size(); + for (; pos < tmp; pos++) { + String host = new StringBuilder("http://";).append(hostList.get((int) (pos % hostList.size()))).toString(); Review Comment: `String.format` is better ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisStreamLoadVisitor.java: ########## @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.utils.JsonUtils; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; + +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.codec.binary.Base64; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +@Slf4j +public class DorisStreamLoadVisitor { + private final HttpHelper httpHelper = new HttpHelper(); + private static final int MAX_SLEEP_TIME = 5; + + private final SinkConfig sinkConfig; + private long pos; + private static final String RESULT_FAILED = "Fail"; + private static final String RESULT_SUCCESS = "Success"; + private static final String RESULT_LABEL_EXISTED = "Label Already Exists"; + private static final String LAEBL_STATE_VISIBLE = "VISIBLE"; + private static final String LAEBL_STATE_COMMITTED = "COMMITTED"; + private static final String RESULT_LABEL_PREPARE = "PREPARE"; + private static final String RESULT_LABEL_ABORTED = "ABORTED"; + private static final String RESULT_LABEL_UNKNOWN = "UNKNOWN"; + + private List<String> fieldNames; + + public DorisStreamLoadVisitor(SinkConfig sinkConfig, List<String> fieldNames) { + this.sinkConfig = sinkConfig; + this.fieldNames = fieldNames; + } + + public Boolean doStreamLoad(DorisFlushTuple flushData) throws IOException { + String host = getAvailableHost(); + if (null == host) { + throw new DorisConnectorException(CommonErrorCode.ILLEGAL_ARGUMENT, "None of the host in `load_url` could be connected."); + } + String loadUrl = new StringBuilder(host) + .append("/api/") + .append(sinkConfig.getDatabase()) + .append("/") + .append(sinkConfig.getTable()) + .append("/_stream_load") + .toString(); + if (log.isDebugEnabled()) { + log.debug(String.format("Start to join batch data: rows[%d] bytes[%d] label[%s].", flushData.getRows().size(), flushData.getBytes(), flushData.getLabel())); + } + Map<String, Object> loadResult = httpHelper.doHttpPut(loadUrl, joinRows(flushData.getRows(), flushData.getBytes().intValue()), getStreamLoadHttpHeader(flushData.getLabel())); + final String keyStatus = "Status"; + if (null == loadResult || !loadResult.containsKey(keyStatus)) { + log.error("unknown result status. {}", loadResult); + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Unable to flush data to Doris: unknown result status. " + loadResult); + } + if (log.isDebugEnabled()) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + } + if (RESULT_FAILED.equals(loadResult.get(keyStatus))) { + StringBuilder errorBuilder = new StringBuilder("Failed to flush data to Doris.\n"); + if (loadResult.containsKey("Message")) { + errorBuilder.append(loadResult.get("Message")); + errorBuilder.append('\n'); + } + if (loadResult.containsKey("ErrorURL")) { + log.error("StreamLoad response: {}", loadResult); + try { + errorBuilder.append(httpHelper.doHttpGet(loadResult.get("ErrorURL").toString())); + errorBuilder.append('\n'); + } catch (IOException e) { + log.warn("Get Error URL failed. {} ", loadResult.get("ErrorURL"), e); + } + } else { + errorBuilder.append(JsonUtils.toJsonString(loadResult)); + errorBuilder.append('\n'); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, errorBuilder.toString()); + } else if (RESULT_LABEL_EXISTED.equals(loadResult.get(keyStatus))) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + // has to block-checking the state to get the final result + checkLabelState(host, flushData.getLabel()); + } + return RESULT_SUCCESS.equals(loadResult.get(keyStatus)); + } + + private String getAvailableHost() { + List<String> hostList = sinkConfig.getNodeUrls(); + long tmp = pos + hostList.size(); + for (; pos < tmp; pos++) { + String host = new StringBuilder("http://";).append(hostList.get((int) (pos % hostList.size()))).toString(); + if (httpHelper.tryHttpConnection(host)) { + return host; + } + } + return null; + } + + private byte[] joinRows(List<byte[]> rows, int totalBytes) { + if (SinkConfig.StreamLoadFormat.CSV.equals(sinkConfig.getLoadFormat())) { + Map<String, Object> props = sinkConfig.getStreamLoadProps(); + byte[] lineDelimiter = DelimiterParserUtil.parse((String) props.get("row_delimiter"), "\n").getBytes(StandardCharsets.UTF_8); + ByteBuffer bos = ByteBuffer.allocate(totalBytes + rows.size() * lineDelimiter.length); + for (byte[] row : rows) { + bos.put(row); + bos.put(lineDelimiter); + } + return bos.array(); + } + + if (SinkConfig.StreamLoadFormat.JSON.equals(sinkConfig.getLoadFormat())) { + ByteBuffer bos = ByteBuffer.allocate(totalBytes + (rows.isEmpty() ? 2 : rows.size() + 1)); + bos.put("[".getBytes(StandardCharsets.UTF_8)); + byte[] jsonDelimiter = ",".getBytes(StandardCharsets.UTF_8); + boolean isFirstElement = true; + for (byte[] row : rows) { + if (!isFirstElement) { + bos.put(jsonDelimiter); + } + bos.put(row); + isFirstElement = false; + } + bos.put("]".getBytes(StandardCharsets.UTF_8)); + return bos.array(); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Failed to join rows data, unsupported `format` from stream load properties:"); + } + + @SuppressWarnings("unchecked") + private void checkLabelState(String host, String label) throws IOException { + int idx = 0; + while (true) { + try { + TimeUnit.SECONDS.sleep(Math.min(++idx, MAX_SLEEP_TIME)); + } catch (InterruptedException ex) { + break; + } + try { + String queryLoadStateUrl = new StringBuilder(host).append("/api/").append(sinkConfig.getDatabase()).append("/get_load_state?label=").append(label).toString(); + Map<String, Object> result = httpHelper.doHttpGet(queryLoadStateUrl, getLoadStateHttpHeader(label)); + if (result == null) { + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "could not get the final state of label[%s].\n", label), null); + } + String labelState = (String) result.get("state"); + if (null == labelState) { + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "could not get the final state of label[%s]. response[%s]\n", label, JsonUtils.toJsonString(result)), null); + } + log.info(String.format("Checking label[%s] state[%s]\n", label, labelState)); + switch (labelState) { + case LAEBL_STATE_VISIBLE: + case LAEBL_STATE_COMMITTED: + return; + case RESULT_LABEL_PREPARE: + continue; + case RESULT_LABEL_ABORTED: + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "label[%s] state[%s]\n", label, labelState), true); + case RESULT_LABEL_UNKNOWN: + default: + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "label[%s] state[%s]\n", label, labelState)); + } + } catch (IOException e) { + throw new IOException(e); + } + } + } + + private String getBasicAuthHeader(String username, String password) { + String auth = username + ":" + password; + byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.UTF_8)); + return new StringBuilder("Basic ").append(new String(encodedAuth)).toString(); Review Comment: String.format is better ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisStreamLoadVisitor.java: ########## @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.utils.JsonUtils; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; + +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.codec.binary.Base64; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +@Slf4j +public class DorisStreamLoadVisitor { + private final HttpHelper httpHelper = new HttpHelper(); + private static final int MAX_SLEEP_TIME = 5; + + private final SinkConfig sinkConfig; + private long pos; + private static final String RESULT_FAILED = "Fail"; + private static final String RESULT_SUCCESS = "Success"; + private static final String RESULT_LABEL_EXISTED = "Label Already Exists"; + private static final String LAEBL_STATE_VISIBLE = "VISIBLE"; + private static final String LAEBL_STATE_COMMITTED = "COMMITTED"; + private static final String RESULT_LABEL_PREPARE = "PREPARE"; + private static final String RESULT_LABEL_ABORTED = "ABORTED"; + private static final String RESULT_LABEL_UNKNOWN = "UNKNOWN"; + + private List<String> fieldNames; + + public DorisStreamLoadVisitor(SinkConfig sinkConfig, List<String> fieldNames) { + this.sinkConfig = sinkConfig; + this.fieldNames = fieldNames; + } + + public Boolean doStreamLoad(DorisFlushTuple flushData) throws IOException { + String host = getAvailableHost(); + if (null == host) { + throw new DorisConnectorException(CommonErrorCode.ILLEGAL_ARGUMENT, "None of the host in `load_url` could be connected."); + } + String loadUrl = new StringBuilder(host) + .append("/api/") + .append(sinkConfig.getDatabase()) + .append("/") + .append(sinkConfig.getTable()) + .append("/_stream_load") + .toString(); + if (log.isDebugEnabled()) { + log.debug(String.format("Start to join batch data: rows[%d] bytes[%d] label[%s].", flushData.getRows().size(), flushData.getBytes(), flushData.getLabel())); + } + Map<String, Object> loadResult = httpHelper.doHttpPut(loadUrl, joinRows(flushData.getRows(), flushData.getBytes().intValue()), getStreamLoadHttpHeader(flushData.getLabel())); + final String keyStatus = "Status"; + if (null == loadResult || !loadResult.containsKey(keyStatus)) { + log.error("unknown result status. {}", loadResult); + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Unable to flush data to Doris: unknown result status. " + loadResult); + } + if (log.isDebugEnabled()) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + } + if (RESULT_FAILED.equals(loadResult.get(keyStatus))) { + StringBuilder errorBuilder = new StringBuilder("Failed to flush data to Doris.\n"); + if (loadResult.containsKey("Message")) { + errorBuilder.append(loadResult.get("Message")); + errorBuilder.append('\n'); + } + if (loadResult.containsKey("ErrorURL")) { + log.error("StreamLoad response: {}", loadResult); + try { + errorBuilder.append(httpHelper.doHttpGet(loadResult.get("ErrorURL").toString())); + errorBuilder.append('\n'); + } catch (IOException e) { + log.warn("Get Error URL failed. {} ", loadResult.get("ErrorURL"), e); + } + } else { + errorBuilder.append(JsonUtils.toJsonString(loadResult)); + errorBuilder.append('\n'); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, errorBuilder.toString()); + } else if (RESULT_LABEL_EXISTED.equals(loadResult.get(keyStatus))) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + // has to block-checking the state to get the final result + checkLabelState(host, flushData.getLabel()); + } + return RESULT_SUCCESS.equals(loadResult.get(keyStatus)); + } + + private String getAvailableHost() { + List<String> hostList = sinkConfig.getNodeUrls(); + long tmp = pos + hostList.size(); + for (; pos < tmp; pos++) { + String host = new StringBuilder("http://";).append(hostList.get((int) (pos % hostList.size()))).toString(); + if (httpHelper.tryHttpConnection(host)) { + return host; + } + } + return null; + } + + private byte[] joinRows(List<byte[]> rows, int totalBytes) { + if (SinkConfig.StreamLoadFormat.CSV.equals(sinkConfig.getLoadFormat())) { + Map<String, Object> props = sinkConfig.getStreamLoadProps(); + byte[] lineDelimiter = DelimiterParserUtil.parse((String) props.get("row_delimiter"), "\n").getBytes(StandardCharsets.UTF_8); + ByteBuffer bos = ByteBuffer.allocate(totalBytes + rows.size() * lineDelimiter.length); + for (byte[] row : rows) { + bos.put(row); + bos.put(lineDelimiter); + } + return bos.array(); + } + + if (SinkConfig.StreamLoadFormat.JSON.equals(sinkConfig.getLoadFormat())) { + ByteBuffer bos = ByteBuffer.allocate(totalBytes + (rows.isEmpty() ? 2 : rows.size() + 1)); + bos.put("[".getBytes(StandardCharsets.UTF_8)); + byte[] jsonDelimiter = ",".getBytes(StandardCharsets.UTF_8); + boolean isFirstElement = true; + for (byte[] row : rows) { + if (!isFirstElement) { + bos.put(jsonDelimiter); + } + bos.put(row); + isFirstElement = false; + } + bos.put("]".getBytes(StandardCharsets.UTF_8)); + return bos.array(); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Failed to join rows data, unsupported `format` from stream load properties:"); + } + + @SuppressWarnings("unchecked") + private void checkLabelState(String host, String label) throws IOException { + int idx = 0; + while (true) { + try { + TimeUnit.SECONDS.sleep(Math.min(++idx, MAX_SLEEP_TIME)); + } catch (InterruptedException ex) { + break; + } + try { + String queryLoadStateUrl = new StringBuilder(host).append("/api/").append(sinkConfig.getDatabase()).append("/get_load_state?label=").append(label).toString(); + Map<String, Object> result = httpHelper.doHttpGet(queryLoadStateUrl, getLoadStateHttpHeader(label)); + if (result == null) { + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "could not get the final state of label[%s].\n", label), null); + } + String labelState = (String) result.get("state"); + if (null == labelState) { + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "could not get the final state of label[%s]. response[%s]\n", label, JsonUtils.toJsonString(result)), null); + } + log.info(String.format("Checking label[%s] state[%s]\n", label, labelState)); + switch (labelState) { + case LAEBL_STATE_VISIBLE: + case LAEBL_STATE_COMMITTED: + return; + case RESULT_LABEL_PREPARE: + continue; + case RESULT_LABEL_ABORTED: + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "label[%s] state[%s]\n", label, labelState), true); + case RESULT_LABEL_UNKNOWN: + default: + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, String.format("Failed to flush data to Doris, Error " + + "label[%s] state[%s]\n", label, labelState)); + } + } catch (IOException e) { + throw new IOException(e); Review Comment: Unified exception ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisStreamLoadVisitor.java: ########## @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.utils.JsonUtils; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; + +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.codec.binary.Base64; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +@Slf4j +public class DorisStreamLoadVisitor { + private final HttpHelper httpHelper = new HttpHelper(); + private static final int MAX_SLEEP_TIME = 5; + + private final SinkConfig sinkConfig; + private long pos; + private static final String RESULT_FAILED = "Fail"; + private static final String RESULT_SUCCESS = "Success"; + private static final String RESULT_LABEL_EXISTED = "Label Already Exists"; + private static final String LAEBL_STATE_VISIBLE = "VISIBLE"; + private static final String LAEBL_STATE_COMMITTED = "COMMITTED"; + private static final String RESULT_LABEL_PREPARE = "PREPARE"; + private static final String RESULT_LABEL_ABORTED = "ABORTED"; + private static final String RESULT_LABEL_UNKNOWN = "UNKNOWN"; + + private List<String> fieldNames; + + public DorisStreamLoadVisitor(SinkConfig sinkConfig, List<String> fieldNames) { + this.sinkConfig = sinkConfig; + this.fieldNames = fieldNames; + } + + public Boolean doStreamLoad(DorisFlushTuple flushData) throws IOException { + String host = getAvailableHost(); + if (null == host) { + throw new DorisConnectorException(CommonErrorCode.ILLEGAL_ARGUMENT, "None of the host in `load_url` could be connected."); + } + String loadUrl = new StringBuilder(host) + .append("/api/") + .append(sinkConfig.getDatabase()) + .append("/") + .append(sinkConfig.getTable()) + .append("/_stream_load") + .toString(); + if (log.isDebugEnabled()) { + log.debug(String.format("Start to join batch data: rows[%d] bytes[%d] label[%s].", flushData.getRows().size(), flushData.getBytes(), flushData.getLabel())); + } + Map<String, Object> loadResult = httpHelper.doHttpPut(loadUrl, joinRows(flushData.getRows(), flushData.getBytes().intValue()), getStreamLoadHttpHeader(flushData.getLabel())); + final String keyStatus = "Status"; + if (null == loadResult || !loadResult.containsKey(keyStatus)) { + log.error("unknown result status. {}", loadResult); + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Unable to flush data to Doris: unknown result status. " + loadResult); + } + if (log.isDebugEnabled()) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + } + if (RESULT_FAILED.equals(loadResult.get(keyStatus))) { + StringBuilder errorBuilder = new StringBuilder("Failed to flush data to Doris.\n"); + if (loadResult.containsKey("Message")) { + errorBuilder.append(loadResult.get("Message")); + errorBuilder.append('\n'); + } + if (loadResult.containsKey("ErrorURL")) { + log.error("StreamLoad response: {}", loadResult); + try { + errorBuilder.append(httpHelper.doHttpGet(loadResult.get("ErrorURL").toString())); + errorBuilder.append('\n'); + } catch (IOException e) { + log.warn("Get Error URL failed. {} ", loadResult.get("ErrorURL"), e); + } + } else { + errorBuilder.append(JsonUtils.toJsonString(loadResult)); + errorBuilder.append('\n'); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, errorBuilder.toString()); + } else if (RESULT_LABEL_EXISTED.equals(loadResult.get(keyStatus))) { + log.debug(new StringBuilder("StreamLoad response:\n").append(JsonUtils.toJsonString(loadResult)).toString()); + // has to block-checking the state to get the final result + checkLabelState(host, flushData.getLabel()); + } + return RESULT_SUCCESS.equals(loadResult.get(keyStatus)); + } + + private String getAvailableHost() { + List<String> hostList = sinkConfig.getNodeUrls(); + long tmp = pos + hostList.size(); + for (; pos < tmp; pos++) { + String host = new StringBuilder("http://";).append(hostList.get((int) (pos % hostList.size()))).toString(); + if (httpHelper.tryHttpConnection(host)) { + return host; + } + } + return null; + } + + private byte[] joinRows(List<byte[]> rows, int totalBytes) { + if (SinkConfig.StreamLoadFormat.CSV.equals(sinkConfig.getLoadFormat())) { + Map<String, Object> props = sinkConfig.getStreamLoadProps(); + byte[] lineDelimiter = DelimiterParserUtil.parse((String) props.get("row_delimiter"), "\n").getBytes(StandardCharsets.UTF_8); + ByteBuffer bos = ByteBuffer.allocate(totalBytes + rows.size() * lineDelimiter.length); + for (byte[] row : rows) { + bos.put(row); + bos.put(lineDelimiter); + } + return bos.array(); + } + + if (SinkConfig.StreamLoadFormat.JSON.equals(sinkConfig.getLoadFormat())) { + ByteBuffer bos = ByteBuffer.allocate(totalBytes + (rows.isEmpty() ? 2 : rows.size() + 1)); + bos.put("[".getBytes(StandardCharsets.UTF_8)); + byte[] jsonDelimiter = ",".getBytes(StandardCharsets.UTF_8); + boolean isFirstElement = true; + for (byte[] row : rows) { + if (!isFirstElement) { + bos.put(jsonDelimiter); + } + bos.put(row); + isFirstElement = false; + } + bos.put("]".getBytes(StandardCharsets.UTF_8)); + return bos.array(); + } + throw new DorisConnectorException(CommonErrorCode.FLUSH_DATA_FAILED, "Failed to join rows data, unsupported `format` from stream load properties:"); + } + + @SuppressWarnings("unchecked") + private void checkLabelState(String host, String label) throws IOException { + int idx = 0; + while (true) { + try { + TimeUnit.SECONDS.sleep(Math.min(++idx, MAX_SLEEP_TIME)); + } catch (InterruptedException ex) { + break; + } + try { + String queryLoadStateUrl = new StringBuilder(host).append("/api/").append(sinkConfig.getDatabase()).append("/get_load_state?label=").append(label).toString(); Review Comment: The same as above. ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/client/DorisStreamLoadVisitor.java: ########## @@ -0,0 +1,226 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.client; + +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.common.utils.JsonUtils; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.exception.DorisConnectorException; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; + +import lombok.extern.slf4j.Slf4j; +import org.apache.commons.codec.binary.Base64; + +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.charset.StandardCharsets; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.stream.Collectors; + +@Slf4j +public class DorisStreamLoadVisitor { + private final HttpHelper httpHelper = new HttpHelper(); + private static final int MAX_SLEEP_TIME = 5; + + private final SinkConfig sinkConfig; + private long pos; + private static final String RESULT_FAILED = "Fail"; + private static final String RESULT_SUCCESS = "Success"; + private static final String RESULT_LABEL_EXISTED = "Label Already Exists"; + private static final String LAEBL_STATE_VISIBLE = "VISIBLE"; + private static final String LAEBL_STATE_COMMITTED = "COMMITTED"; + private static final String RESULT_LABEL_PREPARE = "PREPARE"; + private static final String RESULT_LABEL_ABORTED = "ABORTED"; + private static final String RESULT_LABEL_UNKNOWN = "UNKNOWN"; + + private List<String> fieldNames; + + public DorisStreamLoadVisitor(SinkConfig sinkConfig, List<String> fieldNames) { + this.sinkConfig = sinkConfig; + this.fieldNames = fieldNames; + } + + public Boolean doStreamLoad(DorisFlushTuple flushData) throws IOException { + String host = getAvailableHost(); + if (null == host) { + throw new DorisConnectorException(CommonErrorCode.ILLEGAL_ARGUMENT, "None of the host in `load_url` could be connected."); + } + String loadUrl = new StringBuilder(host) + .append("/api/") + .append(sinkConfig.getDatabase()) + .append("/") + .append(sinkConfig.getTable()) + .append("/_stream_load") + .toString(); + if (log.isDebugEnabled()) { + log.debug(String.format("Start to join batch data: rows[%d] bytes[%d] label[%s].", flushData.getRows().size(), flushData.getBytes(), flushData.getLabel())); + } + Map<String, Object> loadResult = httpHelper.doHttpPut(loadUrl, joinRows(flushData.getRows(), flushData.getBytes().intValue()), getStreamLoadHttpHeader(flushData.getLabel())); + final String keyStatus = "Status"; + if (null == loadResult || !loadResult.containsKey(keyStatus)) { + log.error("unknown result status. {}", loadResult); Review Comment: Do not use `log.error` before throw exception ########## seatunnel-connectors-v2/connector-doris/src/main/java/org/apache/seatunnel/connectors/doris/sink/DorisSinkWriter.java: ########## @@ -0,0 +1,94 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.seatunnel.connectors.doris.sink; + +import org.apache.seatunnel.api.serialization.SerializationSchema; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.connectors.doris.client.DorisSinkManager; +import org.apache.seatunnel.connectors.doris.config.SinkConfig; +import org.apache.seatunnel.connectors.doris.util.DelimiterParserUtil; +import org.apache.seatunnel.connectors.seatunnel.common.sink.AbstractSinkWriter; +import org.apache.seatunnel.format.json.JsonSerializationSchema; +import org.apache.seatunnel.format.text.TextSerializationSchema; + +import org.apache.seatunnel.shade.com.typesafe.config.Config; + +import lombok.SneakyThrows; +import lombok.extern.slf4j.Slf4j; + +import java.io.IOException; +import java.util.Arrays; +import java.util.List; +import java.util.Optional; +import java.util.stream.Collectors; + +@Slf4j +public class DorisSinkWriter extends AbstractSinkWriter<SeaTunnelRow, Void> { + + private final SerializationSchema serializationSchema; + private final DorisSinkManager manager; + + public DorisSinkWriter(Config pluginConfig, + SeaTunnelRowType seaTunnelRowType) { + SinkConfig sinkConfig = SinkConfig.loadConfig(pluginConfig); + List<String> fieldNames = Arrays.stream(seaTunnelRowType.getFieldNames()).collect(Collectors.toList()); + this.serializationSchema = createSerializer(sinkConfig, seaTunnelRowType); + this.manager = new DorisSinkManager(sinkConfig, fieldNames); + } + + @Override + public void write(SeaTunnelRow element) throws IOException { + String record = new String(serializationSchema.serialize(element)); + manager.write(record); + } + + @SneakyThrows + @Override + public Optional<Void> prepareCommit() { + // Flush to storage before snapshot state is performed + manager.flush(); + return super.prepareCommit(); + } + + @Override + public void close() throws IOException { + try { + if (manager != null) { + manager.close(); + } + } catch (IOException e) { + log.error("Close doris manager failed.", e); + throw new IOException("Close doris manager failed.", e); Review Comment: Unified exception -- This is an automated message from the Apache Git Service. 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