[jira] [Assigned] (ARROW-9517) [C++][Python] Allow session_token argument when initializing S3FileSystem

["Antoine Pitrou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-9517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou reassigned ARROW-9517:
-------------------------------------

    Assignee: Matthew Corley

> [C++][Python] Allow session_token argument when initializing S3FileSystem
> -------------------------------------------------------------------------
>
>                 Key: ARROW-9517
>                 URL: https://issues.apache.org/jira/browse/ARROW-9517
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, Python
>    Affects Versions: 0.17.1
>            Reporter: Matthew Corley
>            Assignee: Matthew Corley
>            Priority: Major
>              Labels: AWS, filesystem, pull-request-available, s3
>             Fix For: 2.0.0
>
>          Time Spent: 6h 20m
>  Remaining Estimate: 0h
>
> In order to access S3 using temporary credentials (from STS), users must supply a session token in addition to the usual access key and secret key. 
> However, currently, the S3FileSystem class only accepts access_key and secret_key arguments.  The only workaround is to provide the session token as an environment variable, but this not ideal for a variety of reasons.
> This is a request to allow an optional session_token argument when initializing the S3FileSystem.



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