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Date: Tue, 23 Aug 2016 20:03:20 +0000 (UTC)
From: "Alejandro Fernandez (JIRA)" <jira@apache.org>
To: issues@ambari.apache.org
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Subject: [jira] [Updated] (AMBARI-18242) Move service metadata into stack's
 service version folder
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archived-at: Tue, 23 Aug 2016 20:03:37 -0000


     [ https://issues.apache.org/jira/browse/AMBARI-18242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alejandro Fernandez updated AMBARI-18242:
-----------------------------------------
    Affects Version/s: 2.4.0

> Move service metadata into stack's service version folder
> ---------------------------------------------------------
>
>                 Key: AMBARI-18242
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18242
>             Project: Ambari
>          Issue Type: Epic
>    Affects Versions: 2.4.0
>            Reporter: Alejandro Fernandez
>             Fix For: trunk
>
>
> Today, there's a lot of hardcodings and metadata that belongs inside the stack for a particular service and version.
> Instead, this logic is in
> 1. python files in common-services
> 2. Config Packs
> 3. Upgrade Packs
> 4. Stack Advisor
> Details
> 1.
> ambari/ambari-common/src/main/python/resource_management/libraries/functions/conf_select.py
> {code}
> _PACKAGE_DIRS = {
>   "accumulo": [
>     {
>       "conf_dir": "/etc/accumulo/conf",
>       "current_dir": "{0}/current/accumulo-client/conf".format(STACK_ROOT_PATTERN)
>     }
>   ],
>   "falcon": [
>     {
>       "conf_dir": "/etc/falcon/conf",
>       "current_dir": "{0}/current/falcon-client/conf".format(STACK_ROOT_PATTERN)
>     }
>   ],
> {code}
> 2. Any config-upgrade.xml
> E.g.,
> ambari/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/config-upgrade.xml
> {code}
> <service name="HIVE">
>       <component name="HIVE_SERVER">
>         <changes>
>           <definition xsi:type="configure" id="hdp_2_5_0_0_hive_server_set_transport_mode">
>             <condition type="hive-site" key="hive.server2.transport.mode" value="binary">
>               <type>hive-site</type>
>               <key>hive.server2.thrift.port</key>
>               <value>10010</value>
>             </condition>
>             <condition type="hive-site" key="hive.server2.transport.mode" value="http">
>               <type>hive-site</type>
>               <key>hive.server2.http.port</key>
>               <value>10011</value>
>             </condition>
>           </definition>
>           <definition xsi:type="configure" id="hdp_2_5_0_0_hive_server_restore_transport_mode_on_downgrade">
>             <condition type="hive-site" key="hive.server2.transport.mode" value="binary">
>               <type>hive-site</type>
>               <key>hive.server2.thrift.port</key>
>               <value>10000</value>
>             </condition>
>             <condition type="hive-site" key="hive.server2.transport.mode" value="http">
>               <type>hive-site</type>
>               <key>hive.server2.http.port</key>
>               <value>10001</value>
>             </condition>
>           </definition>
>         </changes>
>       </component>
>     </service>
> {code}
> 3. Any upgrade pack
> E.g., ambari/ambari-server/src/main/resources/stacks/HDP/2.5/upgrades/upgrade-2.5.xml
> {code}
>     <service name="STORM">
>       <component name="NIMBUS">
>         <pre-upgrade>
>           <task xsi:type="configure" id="hdp_2_5_0_0_remove_empty_storm_topology_submission_notifier_plugin_class"/>
>         </pre-upgrade>
>         <upgrade>
>           <task xsi:type="restart-task" />
>         </upgrade>
>       </component>
>       <component name="SUPERVISOR">
>         <upgrade>
>           <task xsi:type="restart-task" />
>         </upgrade>
>       </component>
>       <component name="STORM_UI_SERVER">
>         <upgrade>
>           <task xsi:type="restart-task" />
>         </upgrade>
>       </component>
>       <component name="DRPC_SERVER">
>         <upgrade>
>           <task xsi:type="restart-task" />
>         </upgrade>
>       </component>
>     </service>
> {code}
> Plus, any of the Java classes that can be called as PreChecks
> 4. Stack Advisor functions
> {code}
> def validateAtlasConfigurations()
> def recommendFalconConfigurations()
> {code}



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