dnet-hadoop/dhp-workflows/dhp-stats-hist-snaps/src/main/resources/eu/dnetlib/dhp/oa/graph/stats-hist-snaps/oozie_app/workflow.xml

<workflow-app name="Stats Hist Snapshots" xmlns="uri:oozie:workflow:0.5">
    <parameters>
        <property>
            <name>hist_db_name</name>
            <description>the target hist database name</description>
        </property>
        <property>
            <name>hist_db_name_prev</name>
            <description>the hist database name of previous_month</description>
        </property>

        <property>
            <name>stats_db_name</name>
            <description>the stats db name</description>
        </property>
        <property>
            <name>stats_irish_db_name</name>
            <description>the stats irish db name</description>
        </property>
        <property>
            <name>monitor_db_name</name>
            <description>the monitor db name</description>
        </property>
        <property>
            <name>monitor_irish_db_name</name>
            <description>the irish monitor db name</description>
        </property>
        <property>
            <name>hist_db_prod_name</name>
            <description>the production db</description>
        </property>
        <property>
            <name>hist_db_shadow_name</name>
            <description>the production shadow db</description>
        </property>
        <property>
            <name>hist_date</name>
            <description>the snaps date</description>
        </property>
        <property>
            <name>hive_metastore_uris</name>
            <description>hive server metastore URIs</description>
        </property>
        <property>
            <name>hive_jdbc_url</name>
            <description>hive server jdbc url</description>
        </property>
        <property>
            <name>hive_timeout</name>
            <description>the time period, in seconds, after which Hive fails a transaction if a Hive client has not sent a hearbeat. The default value is 300 seconds.</description>
        </property>
        <property>
            <name>hadoop_user_name</name>
            <description>user name of the wf owner</description>
        </property>
    </parameters>

    <global>
        <job-tracker>${jobTracker}</job-tracker>
        <name-node>${nameNode}</name-node>
        <configuration>
            <property>
                <name>hive.metastore.uris</name>
                <value>${hive_metastore_uris}</value>
            </property>
            <property>
            	<name>hive.txn.timeout</name>
            	<value>${hive_timeout}</value>
            </property>
	<property>
	    <name>mapred.job.queue.name</name>
	    <value>analytics</value>
	</property>
        </configuration>
    </global>

    <start to="resume_from"/>
    <decision name="resume_from">
        <switch>
            <case to="CreateDB">${wf:conf('resumeFrom') eq 'CreateDB'}</case>
            <case to="BuildHistSnaps">${wf:conf('resumeFrom') eq 'BuildHistSnaps'}</case>
            <case to="BuildHistSnapsIrish">${wf:conf('resumeFrom') eq 'BuildHistSnapsIrish'}</case>
            <case to="Step2-copyDataToImpalaCluster">${wf:conf('resumeFrom') eq 'Step2-copyDataToImpalaCluster'}</case>
            <case to="Step3-finalizeImpalaCluster">${wf:conf('resumeFrom') eq 'Step3-finalizeImpalaCluster'}</case>
            <default to="BuildHistSnaps"/>
        </switch>
    </decision>

    <kill name="Kill">
        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
    </kill>

    <action name="CreateDB">
        <hive2 xmlns="uri:oozie:hive2-action:0.1">
            <jdbc-url>${hive_jdbc_url}</jdbc-url>
            <script>scripts/CreateDB.sql</script>
            <param>hist_db_name=${hist_db_name}</param>
        </hive2>
        <ok to="BuildHistSnaps"/>
        <error to="Kill"/>
    </action>

    <action name="BuildHistSnaps">
        <hive2 xmlns="uri:oozie:hive2-action:0.1">
            <jdbc-url>${hive_jdbc_url}</jdbc-url>
            <script>scripts/BuildHistSnapsAll.sql</script>
            <param>hist_db_name=${hist_db_name}</param>
            <param>hist_db_name_prev=${hist_db_name_prev}</param>
            <param>stats_db_name=${stats_db_name}</param>
            <param>monitor_db_name=${monitor_db_name}</param>
            <param>hist_date=${hist_date}</param>
        </hive2>
        <ok to="BuildHistSnapsIrish"/>
        <error to="Kill"/>
    </action>

    <action name="BuildHistSnapsIrish">
        <hive2 xmlns="uri:oozie:hive2-action:0.1">
            <jdbc-url>${hive_jdbc_url}</jdbc-url>
            <script>scripts/BuildHistSnapsIrish.sql</script>
            <param>hist_db_name=${hist_db_name}</param>
            <param>hist_db_name_prev=${hist_db_name_prev}</param>
            <param>stats_irish_db_name=${stats_irish_db_name}</param>
            <param>monitor_irish_db_name=${monitor_irish_db_name}</param>
            <param>hist_date=${hist_date}</param>
        </hive2>
        <ok to="Step2-copyDataToImpalaCluster"/>
        <error to="Kill"/>
    </action>
    <action name="Step2-copyDataToImpalaCluster">
        <shell xmlns="uri:oozie:shell-action:0.1">
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <exec>copyDataToImpalaCluster.sh</exec>
            <argument>${hist_db_name}</argument>
            <argument>${hadoop_user_name}</argument>
            <file>copyDataToImpalaCluster.sh</file>
        </shell>
        <ok to="Step3-finalizeImpalaCluster"/>
        <error to="Kill"/>
    </action>
    <action name="Step3-finalizeImpalaCluster">
        <shell xmlns="uri:oozie:shell-action:0.1">
            <job-tracker>${jobTracker}</job-tracker>
            <name-node>${nameNode}</name-node>
            <exec>finalizeImpalaCluster.sh</exec>
            <argument>${hist_db_name}</argument>
            <argument>${hist_db_prod_name}</argument>
            <argument>${hist_db_shadow_name}</argument>
            <argument>${monitor_db_prod_name}</argument>
            <argument>${monitor_irish_db_prod_name}</argument>
            <file>finalizeImpalaCluster.sh</file>
        </shell>
        <ok to="End"/>
        <error to="Kill"/>
    </action>

    <end name="End"/>
</workflow-app>