[jira] [Created] (IMPALA-14518) Consider producing Ranger audit event for SHOW DATABASES

["Fang-Yu Rao (Jira)" <ji...@apache.org>]

Fang-Yu Rao created IMPALA-14518:
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             Summary: Consider producing Ranger audit event for SHOW DATABASES
                 Key: IMPALA-14518
                 URL: https://issues.apache.org/jira/browse/IMPALA-14518
             Project: IMPALA
          Issue Type: Improvement
            Reporter: Fang-Yu Rao
            Assignee: Fang-Yu Rao


Currently when Ranger is the authorization provider, Impala does not create a privilege request for the command. As a result, Impala does not convert such a privilege request to {{RangerAccessRequestImpl}} and consult the Ranger plug-in about whether the requesting user is allowed to execute this command.

It would be good if we also produce such a privilege request so that we could produce an audit event for SHOW DATABASES. In {{checkPrivileges()}} of [RangerHiveAuthorizer.java|https://github.com/apache/ranger/blob/master/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveAuthorizer.java], Hive's Ranger plug-in does the following to create a privilege request. It should be possible for Impala to do the same.
{code:java}
// this should happen only for SHOWDATABASES
if (hiveOpType == HiveOperationType.SHOWDATABASES) {
  RangerHiveResource resource = new RangerHiveResource(HiveObjectType.DATABASE, null);
  RangerHiveAccessRequest request  = new RangerHiveAccessRequest(resource, user, groups, roles, hiveOpType.name(), HiveAccessType.USE, context, sessionContext);
}{code}



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