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From "Vihang Karajgaonkar (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-16913) Support per-session S3 credentials
Date Fri, 16 Jun 2017 17:30:02 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vihang Karajgaonkar reassigned HIVE-16913:
------------------------------------------


> Support per-session S3 credentials
> ----------------------------------
>
>                 Key: HIVE-16913
>                 URL: https://issues.apache.org/jira/browse/HIVE-16913
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>
> Currently, the credentials needed to support Hive-on-S3 (or any other cloud-storage)
need to be to the hive-site.xml. Either using a hadoop credential provider or by adding the
keys in the hive-site.xml in plain text (unsecure)
> This limits the usecase to using a single S3 key. If we configure per bucket s3 keys
like described [here | http://hadoop.apache.org/docs/current/hadoop-aws/tools/hadoop-aws/index.html#Configurations_different_S3_buckets]
it exposes the access to all the buckets to all the hive users.
> It is possible that there are different sets of users who would not like to share there
buckets and still be able to process the data using Hive. Enabling session level credentials
will help solve such use-cases. For example, currently this doesn't work
> {noformat}
> set fs.s3a.secret.key=my_secret_key;
> set fs.s3a.access.key=my_access.key;
> {noformat}
> Because metastore is unaware of the the keys. This doesn't work either
> {noformat}
> set fs.s3a.secret.key=my_secret_key;
> set fs.s3a.access.key=my_access.key;
> set metaconf:fs.s3a.secret.key=my_secret_key;
> set metaconf:fs.s3a.access.key=my_access_key;
> {noformat}
> This is because only a certain metastore configurations defined in {{HiveConf.MetaVars}}
are allowed to be set by the user. If we enable the above approaches we could potentially
allow multiple S3 credentials on a per-session level basis.



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