Ant构建hadoop工程

<project name="zdemo-hadoop-debug" basedir="." default="prepare">
    <property name="myclasspath" value="/Users/zhangqingli/Documents/y/mylibs/hadoop/2.5.0/jar" />
    <property name="targettarname" value="zdemo-hadoop-debug.jar" />

    <target name="prepare">
        <delete dir="${basedir}/build/classes" />
        <mkdir dir="${basedir}/build/classes"/>
    </target>

    <path id="path1">
        <fileset dir="${myclasspath}">
            <include name="*.jar"/>
        </fileset>
    </path>
    <target name="compile" depends="prepare">
        <javac srcdir="${basedir}/src" destdir="${basedir}/build/classes" classpathref="path1" includeantruntime="true"/>
        <javac srcdir="${basedir}/test" destdir="${basedir}/build/classes" classpathref="path1" includeantruntime="true"/>
    </target>

    <target name="package" depends="compile">
        <jar destfile="${basedir}/build/${targettarname}" basedir="${basedir}/build/classes" />
    </target>

    <target name="ssh" depends="package">
        <scp todir="ubuntu@nimbusz:/opt/data" file="${basedir}/build/${targettarname}" password="xxx" />
        <sshexec command="/opt/module/hadoop-2.5.0/bin/hdfs dfs -rm -r /user/ubuntu/test/output" 
            host="xxx" username="xxx" password="xxx" failonerror="false"/>
        <sshexec command="/opt/module/hadoop-2.5.0/bin/yarn jar 
            /opt/data/zdemo-hadoop-debug.jar mr01.maxtemperature.MaxTemperatureApp 
            /user/ubuntu/test/maxtemperature /user/ubuntu/test/output" 
            host="xxx" username="xxx" password="xxx" />
    </target>
</project>

<!-- SSH远程执行插件 -->
<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>wagon-maven-plugin</artifactId>
  <version>1.0</version>
  <dependencies>
    <dependency>
      <groupId>org.apache.maven.wagon</groupId>
      <artifactId>wagon-ssh</artifactId>
      <version>2.10</version>
    </dependency>
  </dependencies>
  <configuration>
    <!-- 事先在setting.xml中配置
	<server><id>nimbusz</id> <username>xxx</username> <password>xxx</password></server>
 	-->
    <serverId>nimbusz</serverId>
    <!-- 需部署的文件或目录 -->
    <fromFile>target/${finalname}.jar</fromFile>
    <!-- 部署目录 -->
    <url>scp://ubuntu@nimbusz/opt/data</url>
    <commands>
      <!-- 需要远程执行的命令 -->
      <command><![CDATA[/opt/module/hadoop-2.5.0/bin/hdfs dfs -rm -r
 			/user/ubuntu/test/output > /dev/null 2>&1 &]]></command>
      <command><![CDATA[/opt/module/hadoop-2.5.0/bin/yarn jar /opt/data/${finalname}.jar
 				mr01.maxtemperature.MaxTemperatureApp /user/ubuntu/test/maxtemperature
 				/user/ubuntu/test/output]]></command>
    </commands>
    <displayCommandOutputs>true</displayCommandOutputs>
    <failOnError>false</failOnError>
  </configuration>
  <executions>
    <execution>
      <id>ssh-upload</id>
      <phase>package</phase>
      <goals>
        <goal>upload-single</goal>
      </goals>
    </execution>
    <execution>
      <id>ssh-sshexec</id>
      <phase>package</phase>
      <goals>
        <goal>sshexec</goal>
      </goals>
    </execution>
  </executions>
</plugin>