Madhan Neethiraj created RANGER-1999:
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Summary: Policy evaluation to support multiple values for accessed
resource
Key: RANGER-1999
URL: https://issues.apache.org/jira/browse/RANGER-1999
Project: Ranger
Issue Type: Improvement
Components: plugins
Reporter: Madhan Neethiraj
Assignee: Madhan Neethiraj
While evaluating access requests, Ranger policy engine picks policies based on
the resource value specified in the access request. Currently access-resource
abstraction only supports a single value for each resource-type - like
database/table/column. Authorization of access to some resources might require
the policy engine to pick policies based on multiple values for a resource.
For example, consider access authorization for an entity in Apache Atlas. An
entity has a specific-type and a number of super-types - example: type=database
super-types=[dataset, asset]. While authorizing access to a database entity,
policies specified for its super-types, dataset and asset, should also be
evaluated.
To enable such usecases, Ranger policy evaluation needs to be enhanced to
support a list of value for a resource. Policies that match for any of the
given values should be evaluated to determine the access result. Note that this
enhancement doesn't require any updates to the policy model; the changes are
needed only in the policy-engine.
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