[jira] [Updated] (HADOOP-10420) Add support to Swift-FS to support tempAuth

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-10420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated HADOOP-10420:
------------------------------------

    Attachment: HADOOP-10420-002.patch

I've had a quick look at the code and am handing back a slightly modified version for you to work on until it's ready to be committed. 

1. I renamed SoftLayer references to TempAuth.
2. I pulled the new GET auth into its own method, {{TempAuthGet}}, where I have some questions

{{getAllowedStatusCodes()}}: why are those the allowed status codes? And if so, why ?

{{extractResult()}}
- A null object location URI is always produced. But A lot of code depends on it being non-null, because its   how the path to objects are found. It needs to be set to *something*.

-There's some exception swallowing at the log level. If something went wrong, the operation should fail early  with meaningful messages, rather than at some random point later. I've added a couple of exception creation to where exceptions were being swallowed -review them to see if there is a better action.
   
-There's some flows of response that aren't handled here. 
-# what if NO auth headers come in? That should be a failure, surely?
-# what if two auth headers come in? Is that OK to ignore?

> Add support to Swift-FS to support tempAuth
> -------------------------------------------
>
>                 Key: HADOOP-10420
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10420
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs, fs/swift, tools
>    Affects Versions: 2.3.0
>            Reporter: Jinghui Wang
>         Attachments: HADOOP-10420-002.patch, HADOOP-10420.patch
>
>
> Currently, hadoop-openstack Swift FS supports keystone authentication. The attached patch adds support for tempAuth. Users will be able to configure which authentication to use.



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