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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14556) S3A to support Delegation Tokens
Date Fri, 04 Aug 2017 19:32:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-14556:
------------------------------------
    Affects Version/s: 2.8.1
               Status: Patch Available  (was: Open)

> S3A to support Delegation Tokens
> --------------------------------
>
>                 Key: HADOOP-14556
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14556
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.1
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: HADOOP-14556-001.patch
>
>
> S3A to support delegation tokens where
> * an authenticated client can request a token via {{FileSystem.getDelegationToken()}}
> * Amazon's token service is used to request short-lived session secret & id; these
will be saved in the token and  marshalled with jobs
> * A new authentication provider will look for a token for the current user and authenticate
the user if found
> This will not support renewals; the lifespan of a token will be limited to the initial
duration. Also, as you can't request an STS token from a temporary session, IAM instances
won't be able to issue tokens.



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