oozie与hive的简单案例

1.把oozie中自带的hive案例拷贝到 测试目录 /opt/cdh-5.3.6/oozie-4.0.0-cdh5.3.6/oozie-apps下

2. 编辑 job.properties

 #
 # 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.
 #
 nameNode=hdfs://hadoop:8020
 jobTracker=hadoop:8032
 queueName=default
 oozieAppsRoot=user/root/oozie-apps
 oozieDataRoot=user/root/oozie/datas

 oozie.use.system.libpath=true

 oozie.wf.application.path=${nameNode}/${oozieAppsRoot}/hive-select/

 outputDir=hive-select/output

3.拷贝hive的配置文件hive-site.xm

4.拷贝mysql的jar包

5.编辑workflow.xml

 <?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.
 -->
 <workflow-app xmlns="uri:oozie:workflow:0.5" name="wf-hive-select">
     <start to="hive-node"/>

     <action name="hive-node">
         <hive xmlns="uri:oozie:hive-action:0.5">
             <job-tracker>${jobTracker}</job-tracker>
             <name-node>${nameNode}</name-node>
             <prepare>
                 <delete path="${nameNode}/${oozieDataRoot}/${outputDir}"/>
             </prepare>
             <job-xml>${nameNode}/${oozieAppsRoot}/hive-select/hive-site.xml</job-xml>
             <configuration>
                 <property>
                     <name>mapred.job.queue.name</name>
                     <value>${queueName}</value>
                 </property>
             </configuration>
             <script>select-student.sql</script>
             <param>OUTPUT=${nameNode}/${oozieDataRoot}/${outputDir}</param>
         </hive>
         <ok to="end"/>
         <error to="fail"/>
     </action>

     <kill name="fail">
         <message>Hive failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
     </kill>
     <end name="end"/>
 </workflow-app>

6.编辑sql脚本 select-student.sql

--
-- 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.
--
insert overwrite directory '${OUTPUT}' select count(1) from hive_bbs_product_snappy;

7.把配置文件上传至hdfs

 bin/hdfs dfs -put /opt/cdh-5.3.6/oozie-4.0.0-cdh5.3.6/oozie-apps/hive-select/ /user/root/oozie-apps

8.提交任务

1） 启动oozie

 bin/oozied.sh start

2）提交

1 export OOZIE_URL=http://localhost:11000/oozie

  bin/oozie job -config oozie-apps/hive-select/job.properties -run

测试成功!