Sridhar Sailappan created AMBARI-21225:
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Summary: Support for macro based property definitions in Ambari
Views
Key: AMBARI-21225
URL: https://issues.apache.org/jira/browse/AMBARI-21225
Project: Ambari
Issue Type: Improvement
Components: ambari-views
Affects Versions: 2.4.0
Reporter: Sridhar Sailappan
Attachments: Patch_AmbariViewUtils_Macro.txt
The attached patch for Ambari Views provides support for property
configurations with macro based definitions (relying on variable expansion of
Hadoop Configuration).
e.g., Consider the following definition of properties for HDFS.
1) In Advanced core-site, property "fs.defaultFS" is defined to have value
"${fs.defaultFS.dev}"
2) In Custom core-site, property "fs.defaultFS.dev" is defined to have value
"hdfs://dev-sandbox.hortonworks.com:8020"
Now, when referencing the property "fs.defaultFS", the value should be resolved
to "hdfs://dev-sandbox.hortonworks.com:8020".
This is typical variable expansion that is expected in Hadoop Configuration.
Refer:
https://hadoop.apache.org/docs/r2.6.0/api/org/apache/hadoop/conf/Configuration.html
This functionality of variable expansion is not available with Ambari Views.
The attached patch (on branch-2.4.0) addresses this need.
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