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https://issues.apache.org/jira/browse/ACCUMULO-3622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335704#comment-14335704
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Sean Busbey commented on ACCUMULO-3622:
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It looks like that will erase and rewrite everything under the user node for
the root user. Can we quantify what will be destroyed by reseting the perms for
system, namespace, etc?
I think since we're talking about the root user those all get ignored maybe?
> 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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