Madhan Neethiraj created RANGER-1208:
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Summary: Optimize tag enricher for requests containing empty
resource
Key: RANGER-1208
URL: https://issues.apache.org/jira/browse/RANGER-1208
Project: Ranger
Issue Type: Improvement
Components: plugins
Affects Versions: 0.6.1, 0.6.0
Reporter: Madhan Neethiraj
A notion of empty resource is used by plugins like Hive to check if user has
the given access to any resource. A special case of this usage is the 'show
databases' command in Hive, which checks if the requesting user has 'any'
access to any resource in the system. In this case, the tag enricher should
attempt to find if the user has been granted access via a tag associated with
any resource in the service i.e. any database/table/column. The algorithm to
find the tags that match for the given resource can be optimized to handle this
special case by simply retuning all the tags associated with all resources in
the service - eliminating the need to attempt resource matching.
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