YARN-5928. Move ATSv2 HBase backend code into a new module that is only dependent at runtime by yarn servers. Contributed by Haibo Chen.

hadoop-project/pom.xml

@@ -361,6 +361,12 @@
           <type>test-jar</type>
       </dependency>
 
+      <dependency>
+        <groupId>org.apache.hadoop</groupId>
+        <artifactId>hadoop-yarn-server-timelineservice-hbase</artifactId>
+        <version>${project.version}</version>
+      </dependency>
+
      <dependency>
         <groupId>org.apache.hadoop</groupId>
         <artifactId>hadoop-yarn-applications-distributedshell</artifactId>
@@ -1215,13 +1221,6 @@
         <scope>test</scope>
         <classifier>tests</classifier>
       </dependency>
-      <dependency>
-        <groupId>org.apache.hbase</groupId>
-        <artifactId>hbase-it</artifactId>
-        <version>${hbase.version}</version>
-        <scope>test</scope>
-        <classifier>tests</classifier>
-      </dependency>
       <dependency>
         <groupId>org.apache.hbase</groupId>
         <artifactId>hbase-testing-util</artifactId>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java

@@ -113,6 +113,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.Capacity
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
 import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
 import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorContext;
+import org.apache.hadoop.yarn.server.timelineservice.storage.FileSystemTimelineWriterImpl;
+import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineWriter;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.apache.hadoop.yarn.util.ConverterUtils;
 import org.apache.log4j.Level;
@@ -148,6 +150,8 @@ public class TestRMRestart extends ParameterizedSchedulerTestBase {
     conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
     conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, false);
     conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
+    conf.setClass(YarnConfiguration.TIMELINE_SERVICE_WRITER_CLASS,
+        FileSystemTimelineWriterImpl.class, TimelineWriter.class);
     rmAddr = new InetSocketAddress("localhost", 8032);
     Assert.assertTrue(YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS > 1);
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestResourceTrackerService.java

@@ -78,6 +78,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeStatusEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
 import org.apache.hadoop.yarn.server.timelineservice.collector.PerNodeTimelineCollectorsAuxService;
+import org.apache.hadoop.yarn.server.timelineservice.storage.FileSystemTimelineWriterImpl;
+import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineWriter;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.apache.hadoop.yarn.util.Records;
 import org.apache.hadoop.yarn.util.YarnVersionInfo;
@@ -991,6 +993,8 @@ public class TestResourceTrackerService extends NodeLabelTestBase {
     conf.set(YarnConfiguration.NM_AUX_SERVICES + "."
         + "timeline_collector" + ".class",
         PerNodeTimelineCollectorsAuxService.class.getName());
+    conf.setClass(YarnConfiguration.TIMELINE_SERVICE_WRITER_CLASS,
+        FileSystemTimelineWriterImpl.class, TimelineWriter.class);
 
     rm = new MockRM(conf);
     rm.start();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/pom.xml

@@ -58,6 +58,18 @@
       </exclusions>
     </dependency>
 
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-yarn-server-timelineservice-hbase</artifactId>
+      <scope>test</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-common</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-common</artifactId>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/pom.xml

@@ -0,0 +1,191 @@
+<?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 WARRANTIES 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/xsd/maven-4.0.0.xsd">
+  <parent>
+    <artifactId>hadoop-yarn-server</artifactId>
+    <groupId>org.apache.hadoop</groupId>
+    <version>3.0.0-alpha3-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>hadoop-yarn-server-timelineservice-hbase</artifactId>
+  <name>Apache Hadoop YARN TimelineService HBase Backend</name>
+
+  <properties>
+    <!-- Needed for generating FindBugs warnings using parent pom -->
+    <yarn.basedir>${project.parent.parent.basedir}</yarn.basedir>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>commons-logging</groupId>
+      <artifactId>commons-logging</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>commons-lang</groupId>
+      <artifactId>commons-lang</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>commons-cli</groupId>
+      <artifactId>commons-cli</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-annotations</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-common</artifactId>
+    </dependency>
+
+    <!-- 'mvn dependency:analyze' fails to detect use of this dependency -->
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-common</artifactId>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-yarn-api</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-yarn-common</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-yarn-server-applicationhistoryservice</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-yarn-server-timelineservice</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-common</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-mapreduce-client-core</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jetty-util</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-client</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-mapreduce-client-core</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-server</artifactId>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-hdfs</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-hdfs-client</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-client</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.hadoop</groupId>
+          <artifactId>hadoop-mapreduce-client-core</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jetty</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jetty-util</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jetty-sslengine</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-jar-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>test-jar</goal>
+            </goals>
+            <phase>test-compile</phase>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <additionnalDependencies>
+            <additionnalDependency>
+              <groupId>junit</groupId>
+              <artifactId>junit</artifactId>
+              <version>4.11</version>
+            </additionnalDependency>
+          </additionnalDependencies>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/reader/filter/package-info.java

@@ -0,0 +1,28 @@
+/*
+ * 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.hadoop.server.timelineservice.reader.filter stores
+ * timeline filter implementations.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+package org.apache.hadoop.yarn.server.timelineservice.reader.filter;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/package-info.java

@@ -0,0 +1,28 @@
+/*
+ * 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.hadoop.server.timelineservice contains classes to be used
+ * across timeline reader and collector.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+package org.apache.hadoop.yarn.server.timelineservice.storage;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/pom.xml

@@ -105,11 +105,6 @@
       <artifactId>jersey-client</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>commons-cli</groupId>
-      <artifactId>commons-cli</artifactId>
-    </dependency>
-
     <dependency>
       <groupId>commons-lang</groupId>
       <artifactId>commons-lang</artifactId>
@@ -131,67 +126,6 @@
       <version>1.1.1</version>
     </dependency>
 
-    <dependency>
-      <groupId>org.apache.hbase</groupId>
-      <artifactId>hbase-common</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>org.apache.hadoop</groupId>
-          <artifactId>hadoop-mapreduce-client-core</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.mortbay.jetty</groupId>
-          <artifactId>jetty-util</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-
-    <dependency>
-      <groupId>org.apache.hbase</groupId>
-      <artifactId>hbase-client</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>org.apache.hadoop</groupId>
-          <artifactId>hadoop-mapreduce-client-core</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-
-    <dependency>
-      <groupId>org.apache.hbase</groupId>
-      <artifactId>hbase-server</artifactId>
-      <exclusions>
-        <exclusion>
-          <groupId>org.apache.hadoop</groupId>
-          <artifactId>hadoop-hdfs</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.apache.hadoop</groupId>
-          <artifactId>hadoop-hdfs-client</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.apache.hadoop</groupId>
-          <artifactId>hadoop-client</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.apache.hadoop</groupId>
-          <artifactId>hadoop-mapreduce-client-core</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.mortbay.jetty</groupId>
-          <artifactId>jetty</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.mortbay.jetty</groupId>
-          <artifactId>jetty-util</artifactId>
-        </exclusion>
-        <exclusion>
-          <groupId>org.mortbay.jetty</groupId>
-          <artifactId>jetty-sslengine</artifactId>
-        </exclusion>
-      </exclusions>
-    </dependency>
-
     <!-- 'mvn dependency:analyze' fails to detect use of this dependency -->
     <dependency>
       <groupId>org.apache.hadoop</groupId>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/pom.xml

@@ -43,6 +43,7 @@
     <module>hadoop-yarn-server-applicationhistoryservice</module>
     <module>hadoop-yarn-server-timeline-pluginstorage</module>
     <module>hadoop-yarn-server-timelineservice</module>
+    <module>hadoop-yarn-server-timelineservice-hbase</module>
     <module>hadoop-yarn-server-timelineservice-hbase-tests</module>
   </modules>
 </project>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/TimelineServiceV2.md

@@ -172,7 +172,7 @@ Once you have an Apache HBase cluster ready to use for this purpose, perform the
 First, add the timeline service jar to the HBase classpath in all HBase machines in the cluster. It
 is needed for the coprocessor as well as the schema creator. For example,
 
-    cp hadoop-yarn-server-timelineservice-3.0.0-alpha1-SNAPSHOT.jar /usr/hbase/lib/
+    cp hadoop-yarn-server-timelineservice-hbase-3.0.0-alpha1-SNAPSHOT.jar /usr/hbase/lib/
 
 Then, enable the coprocessor that handles the aggregation. To enable it, add the following entry in
 region servers' `hbase-site.xml` file (generally located in the `conf` directory) as follows:

hadoop-yarn-project/pom.xml

@@ -74,6 +74,10 @@
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-yarn-server-web-proxy</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-yarn-server-timelineservice-hbase</artifactId>
+    </dependency>
   </dependencies>
 
   <build>