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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2017/11/29 13:45:00 UTC
[jira] [Commented] (HADOOP-14556) S3A to support Delegation Tokens
[ https://issues.apache.org/jira/browse/HADOOP-14556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270744#comment-16270744 ]
Steve Loughran commented on HADOOP-14556:
-----------------------------------------
Daryn, got that patch for this yet?
> 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
> 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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