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Posted to dev@drill.apache.org by "Venki Korukanti (JIRA)" <ji...@apache.org> on 2015/06/28 20:38:04 UTC
[jira] [Created] (DRILL-3413) Use DIGEST mechanism in creating Hive
MetaStoreClient for proxy users when SASL authentication is enabled
Venki Korukanti created DRILL-3413:
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Summary: Use DIGEST mechanism in creating Hive MetaStoreClient for proxy users when SASL authentication is enabled
Key: DRILL-3413
URL: https://issues.apache.org/jira/browse/DRILL-3413
Project: Apache Drill
Issue Type: Bug
Components: Storage - Hive
Affects Versions: 1.1.0
Reporter: Venki Korukanti
Assignee: Venki Korukanti
Fix For: 1.1.0
Currently we fail to create HiveMetaStoreClient for proxy users when SASL authentication is enabled between HiveMeaStore server and clients. We fail to create the client because when SASL (kerberos or vendor specific custom SASL implementations) is enabled some vendor specific versions of Hive only accept DIGEST as the authentication mechanism for proxy client.
To fix this issue:
1. Drillbit need to create a HiveMetaStoreClient with its credentials (these are directly credentials and not proxy)
2. Whenever Drillbit need to create a HiveMetaStoreClient for proxy user (user being impersonated), get the delegation token for proxy user from MetaStore server using the Drillbit process user HiveMetaStoreClient. Set this delegation token in a new HiveConf object and pass it to HiveMetaStoreClient.
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