Add support for fetching from Rabbit MQ Super Streams

distribution/pom.xml

@@ -450,6 +450,8 @@
                                         <argument>org.apache.druid.extensions.contrib:opentelemetry-emitter</argument>
                                         <argument>-c</argument>
                                         <argument>org.apache.druid.extensions:druid-iceberg-extensions</argument>
+                                        <argument>-c</argument>
+                                        <argument>org.apache.druid.extensions.contrib:druid-rabbit-indexing-service</argument>
                                     </arguments>
                                 </configuration>
                             </execution>

extensions-contrib/rabbit-stream-indexing-service/pom.xml

@@ -0,0 +1,172 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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 WARRA NTIES OR CONDITIONS OF ANY
+  ~ KIND, either express or implied.  See the License for the
+  ~ specific language governing permissions and limitations
+  ~ under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.druid.extensions.contrib</groupId>
+  <artifactId>druid-rabbit-indexing-service</artifactId>
+  <name>druid-rabbit-indexing-service</name>
+  <description>druid-rabbit-indexing-service</description>
+
+  <parent>
+    <groupId>org.apache.druid</groupId>
+    <artifactId>druid</artifactId>
+    <version>29.0.0-SNAPSHOT</version>
+    <relativePath>../../pom.xml</relativePath>
+  </parent>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.druid</groupId>
+      <artifactId>druid-indexing-service</artifactId>
+      <version>${project.parent.version}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.druid</groupId>
+      <artifactId>druid-processing</artifactId>
+      <version>${project.parent.version}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.druid</groupId>
+      <artifactId>druid-server</artifactId>
+      <version>${project.parent.version}</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>io.netty</groupId>
+      <artifactId>netty</artifactId>
+      <version>3.10.6.Final</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.code.findbugs</groupId>
+      <artifactId>jsr305</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-annotations</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>joda-time</groupId>
+      <artifactId>joda-time</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.inject</groupId>
+      <artifactId>guice</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>javax.ws.rs</groupId>
+      <artifactId>jsr311-api</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>hamcrest-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-core</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>javax.validation</groupId>
+      <artifactId>validation-api</artifactId>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.rabbitmq</groupId>
+      <artifactId>stream-client</artifactId>
+      <version>0.9.0</version>
+    </dependency>
+
+    <!-- Tests -->
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.druid</groupId>
+      <artifactId>druid-processing</artifactId>
+      <version>${project.parent.version}</version>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.druid</groupId>
+      <artifactId>druid-server</artifactId>
+      <version>${project.parent.version}</version>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.druid</groupId>
+      <artifactId>druid-indexing-service</artifactId>
+      <version>${project.parent.version}</version>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.curator</groupId>
+      <artifactId>curator-test</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.easymock</groupId>
+      <artifactId>easymock</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>nl.jqno.equalsverifier</groupId>
+      <artifactId>equalsverifier</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+
+</project>

extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/IncrementalPublishingRabbitStreamIndexTaskRunner.java

@@ -0,0 +1,158 @@
+/*
+ * 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.druid.indexing.rabbitstream;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.druid.data.input.impl.ByteEntity;
+import org.apache.druid.data.input.impl.InputRowParser;
+import org.apache.druid.indexing.common.LockGranularity;
+import org.apache.druid.indexing.common.TaskToolbox;
+import org.apache.druid.indexing.seekablestream.SeekableStreamDataSourceMetadata;
+import org.apache.druid.indexing.seekablestream.SeekableStreamEndSequenceNumbers;
+import org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner;
+import org.apache.druid.indexing.seekablestream.SeekableStreamSequenceNumbers;
+import org.apache.druid.indexing.seekablestream.SequenceMetadata;
+import org.apache.druid.indexing.seekablestream.common.OrderedPartitionableRecord;
+import org.apache.druid.indexing.seekablestream.common.OrderedSequenceNumber;
+import org.apache.druid.indexing.seekablestream.common.RecordSupplier;
+import org.apache.druid.indexing.seekablestream.common.StreamPartition;
+import org.apache.druid.java.util.emitter.EmittingLogger;
+import org.apache.druid.server.security.AuthorizerMapper;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.validation.constraints.NotNull;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+
+/**
+ * RabbitStream indexing task runner supporting incremental segments publishing
+ */
+public class IncrementalPublishingRabbitStreamIndexTaskRunner
+    extends SeekableStreamIndexTaskRunner<String, Long, ByteEntity>
+{
+  private static final EmittingLogger log = new EmittingLogger(IncrementalPublishingRabbitStreamIndexTaskRunner.class);
+  private final RabbitStreamIndexTask task;
+
+  IncrementalPublishingRabbitStreamIndexTaskRunner(
+      RabbitStreamIndexTask task,
+      @Nullable InputRowParser<ByteBuffer> parser,
+      AuthorizerMapper authorizerMapper,
+      LockGranularity lockGranularityToUse)
+  {
+    super(
+        task,
+        parser,
+        authorizerMapper,
+        lockGranularityToUse);
+    this.task = task;
+  }
+
+  @Override
+  protected Long getNextStartOffset(@NotNull Long sequenceNumber)
+  {
+    return sequenceNumber + 1;
+  }
+
+  @Nonnull
+  @Override
+  protected List<OrderedPartitionableRecord<String, Long, ByteEntity>> getRecords(
+      RecordSupplier<String, Long, ByteEntity> recordSupplier,
+      TaskToolbox toolbox) throws Exception
+  {
+    return recordSupplier.poll(task.getIOConfig().getPollTimeout());
+  }
+
+  @Override
+  protected SeekableStreamEndSequenceNumbers<String, Long> deserializePartitionsFromMetadata(
+      ObjectMapper mapper,
+      Object object)
+  {
+    return mapper.convertValue(object, mapper.getTypeFactory().constructParametrizedType(
+        SeekableStreamEndSequenceNumbers.class,
+        SeekableStreamEndSequenceNumbers.class,
+        String.class,
+        Long.class));
+  }
+
+  @Override
+  protected SeekableStreamDataSourceMetadata<String, Long> createDataSourceMetadata(
+      SeekableStreamSequenceNumbers<String, Long> partitions)
+  {
+    return new RabbitStreamDataSourceMetadata(partitions);
+  }
+
+  @Override
+  protected OrderedSequenceNumber<Long> createSequenceNumber(Long sequenceNumber)
+  {
+    return RabbitSequenceNumber.of(sequenceNumber);
+  }
+
+  @Override
+  protected void possiblyResetDataSourceMetadata(
+      TaskToolbox toolbox,
+      RecordSupplier<String, Long, ByteEntity> recordSupplier,
+      Set<StreamPartition<String>> assignment)
+  {
+    // do nothing
+  }
+
+  @Override
+  protected boolean isEndOffsetExclusive()
+  {
+    return true;
+  }
+
+  @Override
+  protected boolean isEndOfShard(Long seqNum)
+  {
+    return false;
+  }
+
+  @Override
+  public TypeReference<List<SequenceMetadata<String, Long>>> getSequenceMetadataTypeReference()
+  {
+    return new TypeReference<List<SequenceMetadata<String, Long>>>() {
+    };
+  }
+
+  @Nullable
+  @Override
+  protected TreeMap<Integer, Map<String, Long>> getCheckPointsFromContext(
+      TaskToolbox toolbox,
+      String checkpointsString) throws IOException
+  {
+    if (checkpointsString != null) {
+      log.debug("Got checkpoints from task context[%s].", checkpointsString);
+      return toolbox.getJsonMapper().readValue(
+          checkpointsString,
+          new TypeReference<TreeMap<Integer, Map<String, Long>>>() {
+          });
+    } else {
+      return null;
+    }
+  }
+}

extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/RabbitSequenceNumber.java

@@ -0,0 +1,47 @@
+/*
+ * 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.druid.indexing.rabbitstream;
+
+import org.apache.druid.indexing.seekablestream.common.OrderedSequenceNumber;
+
+import javax.validation.constraints.NotNull;
+
+// OrderedSequenceNumber.equals() should be used instead.
+@SuppressWarnings("ComparableImplementedButEqualsNotOverridden")
+public class RabbitSequenceNumber extends OrderedSequenceNumber<Long>
+{
+  private RabbitSequenceNumber(Long sequenceNumber)
+  {
+    super(sequenceNumber, false);
+  }
+
+  public static RabbitSequenceNumber of(Long sequenceNumber)
+  {
+    return new RabbitSequenceNumber(sequenceNumber);
+  }
+
+  @Override
+  public int compareTo(
+      @NotNull OrderedSequenceNumber<Long> o)
+  {
+    return this.get().compareTo(o.get());
+  }
+
+}