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From "Di Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-22337) each service should be able to implement server actions, package them add a jar to be loaded during EU
Date Tue, 31 Oct 2017 18:49:01 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-22337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Di Li updated AMBARI-22337:
---------------------------
    Status: In Progress  (was: Patch Available)

> each service should be able to implement server actions, package them add a jar to be
loaded during EU
> ------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-22337
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22337
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server
>    Affects Versions: trunk
>            Reporter: Di Li
>            Assignee: Di Li
>             Fix For: trunk
>
>         Attachments: AMBARI-22337-v2.patch, AMBARI-22337.patch
>
>
> xsi:type="server_action" tasks defined in EU/RU upgrade pack xml files currently can
only classes from Ambari source code. This limites the server action that custom services
/ services from mpacks can perform. This JIRA proposes a way to allow each service to implement
server action classes, package them in a jar to be loaded during EU
> 1. Each service can have a server_actions (support stack inheritance) such as /var/lib/ambari-server/resources/stacks/HDP/2.5/services/ZOOKEEPER/server_actions.

>    a) The dir  contains jar for the server action classes.
>         /var/lib/ambari-server/resources/stacks/HDP/2.5/services/ZOOKEEPER/server_actions
>         [root@~ server_actions]# ll
>         total 8
>         -rw-r--r-- 1 root root 7510 Oct 30 10:49 test_full.jar
> 2. upgrade pack can then invoke the server action as shown below    
>      <!-- server action test without specifying a service in the execution stage-->
>     <group xsi:type="cluster" name="TEST_A" title="Test abc">
>       <execute-stage title="aaaa">
>         <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.SATestWithoutService"/>
>       </execute-stage>
>     </group>
>      <!-- server action test with a service specified in the execution stage-->
>     <execute-stage service="ZOOKEEPER" component="ZOOKEEPER_SERVER" title="Parame
> terizing Zookeeper Log4J Properties">
>         <task xsi:type="server_action" class="org.apache.ambari.server.serveraction.upgrades.SATestWithService">
>           <summary>zkpr test</summary>
>         </task>
>       </execute-stage>



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