HBASE-12197 Move rest to it's on module

Summary:
Move hbase-rest to it's own module.
copy test resources from hbase-server into hbase-rest's test resources.

Test Plan: Unit tests pass of hbase-rest module.

Differential Revision: https://reviews.facebook.net/D24657

hbase-assembly/pom.xml

@@ -101,6 +101,16 @@
        <artifactId>hbase-shell</artifactId>
        <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-thrift</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-rest</artifactId>
+      <version>${project.version}</version>
+    </dependency>
     <dependency>
        <groupId>org.apache.hbase</groupId>
        <artifactId>hbase-testing-util</artifactId>

hbase-rest/pom.xml

@@ -0,0 +1,296 @@
+<?xml version="1.0"?>
+<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">
+  <!--
+/**
+ * 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.
+ */
+-->
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <artifactId>hbase</artifactId>
+    <groupId>org.apache.hbase</groupId>
+    <version>2.0.0-SNAPSHOT</version>
+    <relativePath>..</relativePath>
+  </parent>
+  <artifactId>hbase-rest</artifactId>
+  <name>HBase - Rest</name>
+  <description>HBase Rest Server</description>
+
+  <build>
+    <!-- Makes sure the resources get added before they are processed
+      by placing this first -->
+    <resources>
+      <!-- Add the build webabpps to the classpth -->
+      <resource>
+        <directory>${project.build.directory}</directory>
+        <includes>
+          <include>hbase-webapps/**</include>
+        </includes>
+      </resource>
+    </resources>
+    <testResources>
+      <testResource>
+        <directory>src/test/resources</directory>
+        <includes>
+          <include>**/**</include>
+        </includes>
+      </testResource>
+    </testResources>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-site-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+      <plugin>
+        <!--Make it so assembly:single does nothing in here-->
+        <artifactId>maven-assembly-plugin</artifactId>
+        <version>${maven.assembly.version}</version>
+        <configuration>
+          <skipAssembly>true</skipAssembly>
+        </configuration>
+      </plugin>
+      <!-- Make a jar and put the sources in the jar -->
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-source-plugin</artifactId>
+      </plugin>
+
+      <!-- General ant tasks, bound to different build phases -->
+      <plugin>
+        <artifactId>maven-antrun-plugin</artifactId>
+        <executions>
+          <!-- Generate web app sources -->
+          <execution>
+            <id>generate</id>
+            <phase>generate-sources</phase>
+            <configuration>
+              <target>
+                <property name="build.webapps" location="${project.build.directory}/hbase-webapps"/>
+                <property name="src.webapps"
+                          location="${basedir}/src/main/resources/hbase-webapps"/>
+                <property name="generated.sources"
+                          location="${project.build.directory}/generated-sources"/>
+                <mkdir dir="${build.webapps}"/>
+                <copy todir="${build.webapps}">
+                  <fileset dir="${src.webapps}">
+                    <exclude name="**/*.jsp"/>
+                    <exclude name="**/.*"/>
+                    <exclude name="**/*~"/>
+                  </fileset>
+                </copy>
+                <!--The compile.classpath is passed in by maven -->
+                <taskdef classname="org.apache.jasper.JspC" name="jspcompiler"
+                         classpathref="maven.compile.classpath"/>
+                <mkdir dir="${build.webapps}/rest/WEB-INF"/>
+                <jspcompiler uriroot="${src.webapps}/rest" outputdir="${generated.sources}/java"
+                             package="org.apache.hadoop.hbase.generated.rest"
+                             webxml="${build.webapps}/rest/WEB-INF/web.xml"/>
+              </target>
+            </configuration>
+            <goals>
+              <goal>run</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <executions>
+          <!-- Add the generated sources -->
+          <execution>
+            <id>jspcSource-packageInfo-source</id>
+            <phase>generate-sources</phase>
+            <goals>
+              <goal>add-source</goal>
+            </goals>
+            <configuration>
+              <sources>
+                <source>${project.build.directory}/generated-sources/java</source>
+              </sources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <!-- Testing plugins -->
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <properties>
+            <property>
+              <name>listener</name>
+              <value>org.apache.hadoop.hbase.ServerResourceCheckerJUnitListener</value>
+            </property>
+          </properties>
+          <systemPropertyVariables>
+            <test.build.webapps>target/test-classes/webapps</test.build.webapps>
+          </systemPropertyVariables>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <!-- Intra-project dependencies -->
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-common</artifactId>
+      <type>jar</type>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-annotations</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-client</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-server</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-hadoop-compat</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>${compat.module}</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-server</artifactId>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-testing-util</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-annotations</artifactId>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mortbay.jetty</groupId>
+      <artifactId>jsp-2.1</artifactId>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>tomcat</groupId>
+      <artifactId>jasper-compiler</artifactId>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>tomcat</groupId>
+      <artifactId>jasper-runtime</artifactId>
+    </dependency>
+    <!-- REST dependencies -->
+    <dependency>
+      <groupId>com.google.protobuf</groupId>
+      <artifactId>protobuf-java</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>com.sun.jersey</groupId>
+      <artifactId>jersey-core</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>com.sun.jersey</groupId>
+      <artifactId>jersey-json</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>com.sun.jersey</groupId>
+      <artifactId>jersey-server</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>javax.xml.bind</groupId>
+      <artifactId>jaxb-api</artifactId>
+    </dependency>
+  </dependencies>
+  <profiles>
+    <!-- Skip the tests in this module -->
+    <profile>
+      <id>skipRestTets</id>
+      <activation>
+        <property>
+          <name>skipRestTests</name>
+        </property>
+      </activation>
+      <properties>
+        <surefire.skipFirstPart>true</surefire.skipFirstPart>
+        <surefire.skipSecondPart>true</surefire.skipSecondPart>
+      </properties>
+    </profile>
+    <profile>
+      <id>compile-protobuf</id>
+      <activation>
+        <property>
+          <name>compile-protobuf</name>
+        </property>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-maven-plugins</artifactId>
+            <executions>
+              <execution>
+                <id>compile-protoc</id>
+                <phase>generate-sources</phase>
+                <goals>
+                  <goal>protoc</goal>
+                </goals>
+                <configuration>
+                  <imports>
+                    <param>${basedir}/src/main/resources/org/apache/hadoop/hbase/rest/protobuf
+                    </param>
+                  </imports>
+                  <source>
+                    <!-- These should be under src/main/protobuf -->
+                    <directory>${basedir}/src/main/resources/org/apache/hadoop/hbase/rest/protobuf
+                    </directory>
+                    <includes>
+                      <include>CellMessage.proto</include>
+                      <include>CellSetMessage.proto</include>
+                      <include>ColumnSchemaMessage.proto</include>
+                      <include>ScannerMessage.proto</include>
+                      <include>StorageClusterStatusMessage.proto</include>
+                      <include>TableInfoMessage.proto</include>
+                      <include>TableListMessage.proto</include>
+                      <include>TableSchemaMessage.proto</include>
+                      <include>VersionMessage.proto</include>
+                    </includes>
+                  </source>
+                  <output>${basedir}/src/main/java/</output>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+</project>

hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/client/Cluster.java

@@ -100,4 +100,11 @@ public class Cluster {
     sb.append(port);
     return remove(sb.toString());
   }
+
+  @Override public String toString() {
+    return "Cluster{" +
+        "nodes=" + nodes +
+        ", lastHost='" + lastHost + '\'' +
+        '}';
+  }
 }

hbase-rest/src/test/java/org/apache/hadoop/hbase/rest/TestStatusResource.java

@@ -24,8 +24,13 @@ import java.io.IOException;
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.JAXBException;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
 import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.Waiter;
+import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.rest.client.Client;
 import org.apache.hadoop.hbase.rest.client.Cluster;
 import org.apache.hadoop.hbase.rest.client.Response;
@@ -43,14 +48,17 @@ import org.junit.experimental.categories.Category;
 
 @Category({RestTests.class, MediumTests.class})
 public class TestStatusResource {
-  private static final byte[] META_REGION_NAME = Bytes.toBytes(TableName.META_TABLE_NAME+",,1");
+  public static Log LOG = LogFactory.getLog(TestStatusResource.class);
+
+  private static final byte[] META_REGION_NAME = Bytes.toBytes(TableName.META_TABLE_NAME + ",,1");
 
   private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
-  private static final HBaseRESTTestingUtility REST_TEST_UTIL = 
+  private static final HBaseRESTTestingUtility REST_TEST_UTIL =
-    new HBaseRESTTestingUtility();
+      new HBaseRESTTestingUtility();
   private static Client client;
   private static JAXBContext context;
-  
+  private static Configuration conf;
+
   private static void validate(StorageClusterStatusModel model) {
     assertNotNull(model);
     assertTrue(model.getRegions() + ">= 1", model.getRegions() >= 1);
@@ -75,11 +83,21 @@ public class TestStatusResource {
 
   @BeforeClass
   public static void setUpBeforeClass() throws Exception {
-    TEST_UTIL.startMiniCluster();
+    conf = TEST_UTIL.getConfiguration();
-    REST_TEST_UTIL.startServletContainer(TEST_UTIL.getConfiguration());
+    TEST_UTIL.startMiniCluster(1, 1);
-    client = new Client(new Cluster().add("localhost", 
+    TEST_UTIL.createTable(Bytes.toBytes("TestStatusResource"), Bytes.toBytes("D"));
-      REST_TEST_UTIL.getServletPort()));
+    TEST_UTIL.createTable(Bytes.toBytes("TestStatusResource2"), Bytes.toBytes("D"));
+    REST_TEST_UTIL.startServletContainer(conf);
+    Cluster cluster = new Cluster();
+    cluster.add("localhost", REST_TEST_UTIL.getServletPort());
+    client = new Client(cluster);
     context = JAXBContext.newInstance(StorageClusterStatusModel.class);
+    TEST_UTIL.waitFor(6000, new Waiter.Predicate<IOException>() {
+      @Override
+      public boolean evaluate() throws IOException {
+        return TEST_UTIL.getMiniHBaseCluster().getClusterStatus().getAverageLoad() > 0;
+      }
+    });
   }
 
   @AfterClass