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Posted to common-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2015/07/02 23:06:05 UTC

[jira] [Commented] (HADOOP-11567) Refresh HTTP Authentication secret without restarting the server

    [ https://issues.apache.org/jira/browse/HADOOP-11567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612521#comment-14612521 ] 

Arpit Agarwal commented on HADOOP-11567:
----------------------------------------

Thanks for this improvement [~benoyantony].

I've posted a few comments to Github
https://github.com/arp7/hadoop/commit/160cf1ec45ad666c66ca33e6a1a5bf0774a6f76e?diff=unified

I'll copy paste my comments to this Jira shortly.

> Refresh HTTP Authentication secret without restarting the server
> ----------------------------------------------------------------
>
>                 Key: HADOOP-11567
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11567
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.6.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>              Labels: BB2015-05-TBR
>         Attachments: HADOOP-11567-001.patch, HADOOP-11567-002.patch
>
>
> The _AuthenticationFilter_ uses the secret read from a file specified via hadoop.http.authentication.signature.secret.file to sign the cookie containing user authentication information.
> The secret is read only during initialization and hence needs a restart to update the secret.
> ZKSignerSecretProvider can be used to rotate the secrets without restarting the servers, but it needs a zookeeper setup.
> The jira is to refresh secret by updating the file.



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