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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3622) admin tool for reseting passwords stored in ZKAuthenticator
Date Tue, 24 Feb 2015 23:34:06 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335665#comment-14335665
] 

Josh Elser commented on ACCUMULO-3622:
--------------------------------------

How does (or does not) {{accumulo init --reset-security}} fit the concerns?

> admin tool for reseting passwords stored in ZKAuthenticator
> -----------------------------------------------------------
>
>                 Key: ACCUMULO-3622
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3622
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: zookeeper
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Sean Busbey
>            Priority: Critical
>              Labels: operations, supportability
>             Fix For: 1.5.3, 1.7.0, 1.6.3
>
>
> For clusters that rely on the ZKAuthenticator, we should add an admin tool that will
do password resets outside of the shell. The tool will need to be supplied the ZK quorum,
the instance-id (or name), and the instance secret.
> The main use case here is should a change management failure happen that results in losing
the root user password.
> Currently, when users face this problem their only option is to access ZK's restricted
properties directly with the instance secret (via ACCUMULO-2469) and then overwrite the contents
of the node {{/accumulo/<instance id>/users/root}} with the following byte array (per
[ZKSecurityTool|https://github.com/apache/accumulo/blob/1.6.2/server/base/src/main/java/org/apache/accumulo/server/security/handler/ZKSecurityTool.java#L87]
for 1.6.z):
> {code}
> [8 byte salt][32 byte output of SHA-256([UTF8 bytes of password][8 byte salt])]
> {code}
> The tool should live with the other non-public-api internal tools (server/base/src/main/java/org/apache/accumulo/server/util/).



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