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https://issues.apache.org/jira/browse/AMBARI-16272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316679#comment-15316679
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Hudson commented on AMBARI-16272:
---------------------------------
FAILURE: Integrated in Ambari-trunk-Commit #5009 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/5009/])
revert broken parts of "AMBARI-16272. Ambari Upgrade shouldn't (dlysnichenko:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=bc9097b146a77a833183cd3d560268644964e87f])
*
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeResourceProviderHDP22Test.java
*
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/UpgradeResourceProvider.java
* ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java
*
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/UpgradeResourceProviderTest.java
*
ambari-server/src/main/java/org/apache/ambari/server/upgrade/AbstractUpgradeCatalog.java
> Ambari Upgrade shouldn't automatically add stack configs
> --------------------------------------------------------
>
> Key: AMBARI-16272
> URL: https://issues.apache.org/jira/browse/AMBARI-16272
> Project: Ambari
> Issue Type: Task
> Components: ambari-server
> Affects Versions: 2.4.0
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Fix For: 2.4.0
>
> Attachments: AMBARI-16272.patch
>
>
> Today, Ambari Upgrade will automatically add stack configs.
> However, it also causes problems when default properties or properties with
> default value such as "localhost" end up being added.
> This led to many bugs. E.g., cluster with NameNode HA shouldn't automatically
> add dfs.namenode.secondary.http-address
> Properties should be explicitly added during RU/EU config packs instead of
> relying on annotating them with.
> {code}
> <property-type>DONT_ADD_ON_UPGRADE</property-type>
> {code}
> This logic today will even add new config types. E.g., add ranger-env even
> though Ranger is not installed. If the customer then upgrades the stack from
> HDP 2.2 to 2.3, and then adds Ranger, they can get the wrong configs.
> If we change this behavior, it's good to do so in a major release such as 2.4
> We add required xml tags to properties:
> # If it's a new property from stack X to X+1, we don't want it to be added
> automatically added. If we do want to add it, we should annotate it with
> "ADD_ON_UPGRADE"
> # Similar to above, but handle "DELETE_ON_UPGRADE"
> # Similar to above, but handle "CHANGE_ON_UPGRADE" to forcefully set to a new
> value if it exists
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