尚硅谷大数据技术之Oozie（新）第4章 Oozie的使用

#!/bin/bash

/bin/date > /tmp/p2.log

nameNode=hdfs://hadoop102:8020

jobTracker=hadoop103:8032

queueName=default

examplesRoot=oozie-apps

oozie.wf.application.path=${nameNode}/user/${user.name}/${examplesRoot}/shell

EXEC1=p1.sh

EXEC2=p2.sh

<workflow-app xmlns="uri:oozie:workflow:0.4" name="shell-wf">

    <start to="p1-shell-node"/>

    <action name="p1-shell-node">

        <shell xmlns="uri:oozie:shell-action:0.2">

            <job-tracker>${jobTracker}</job-tracker>

            <name-node>${nameNode}</name-node>

            <configuration>

                <property>

                    <name>mapred.job.queue.name</name>

                    <value>${queueName}</value>

                </property>

            </configuration>

            <exec>${EXEC1}</exec>

            <file>/user/atguigu/oozie-apps/shell/${EXEC1}#${EXEC1}</file>

            <!-- <argument>my_output=Hello Oozie</argument>-->

            <capture-output/>

        </shell>

        <ok to="p2-shell-node"/>

        <error to="fail"/>

    </action>

    <action name="p2-shell-node">

        <shell xmlns="uri:oozie:shell-action:0.2">

            <job-tracker>${jobTracker}</job-tracker>

            <name-node>${nameNode}</name-node>

            <configuration>

                <property>

                    <name>mapred.job.queue.name</name>

                    <value>${queueName}</value>

                </property>

            </configuration>

            <exec>${EXEC2}</exec>

            <file>/user/admin/oozie-apps/shell/${EXEC2}#${EXEC2}</file>

            <!-- <argument>my_output=Hello Oozie</argument>-->

            <capture-output/>

        </shell>

        <ok to="end"/>

        <error to="fail"/>

    </action>

    <decision name="check-output">

        <switch>

            <case to="end">

                ${wf:actionData('shell-node')['my_output'] eq 'Hello Oozie'}

            </case>

            <default to="fail-output"/>

        </switch>

    </decision>

    <kill name="fail">

        <message>Shell action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>

    </kill>

    <kill name="fail-output">

        <message>Incorrect output, expected [Hello Oozie] but was [${wf:actionData('shell-node')['my_output']}]</message>

    </kill>

    <end name="end"/>

</workflow-app>