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From GitBox <...@apache.org>
Subject [GitHub] [hadoop] elek opened a new pull request #773: HDDS-1469. Generate default configuration fragments based on annotations
Date Thu, 25 Apr 2019 13:27:46 GMT
elek opened a new pull request #773: HDDS-1469. Generate default configuration fragments based
on annotations
URL: https://github.com/apache/hadoop/pull/773
 
 
   See the design doc in the parent jira for more details.
   
   In this jira I introduce a new annotation processor which can generate ozone-default.xml
fragments based on the annotations which are introduced by HDDS-1468.
   
   The ozone-default-generated.xml fragments can be used directly by the OzoneConfiguration
as I added a small code to the constructor to check ALL the available ozone-default-generated.xml
files and add them to the available resources.
   
   With this approach we don't need to edit ozone-default.xml as all the configuration can
be defined in java code.
   
   As a side effect each service will see only the available configuration keys and values
based on the classpath. (If the ozone-default-generated.xml file of OzoneManager is not on
the classpath of the SCM, SCM doesn't see the available configs.) 
   
   
   
   See: https://issues.apache.org/jira/browse/HDDS-1469

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