[jira] [Commented] (ACCUMULO-4492) operations tool to migrate existing users when enabling Kerberos

["Christopher Tubbs (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-4492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15556325#comment-15556325 ] 

Christopher Tubbs commented on ACCUMULO-4492:
---------------------------------------------

It sounds like you're suggesting something like what idmapd does, but as a one-time use, instead of as a persistent mapping service.

> operations tool to migrate existing users when enabling Kerberos
> ----------------------------------------------------------------
>
>                 Key: ACCUMULO-4492
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4492
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: Sean Busbey
>             Fix For: 2.0.0
>
>
> When converting an existing cluster to use Kerberos, existing user permissions aren't much use unless the user names happen to be formatted like Kerberos principals.
> An offline tool that folks migrating can use to map existing user names to principals would be super useful.
> Essentially something like:
> {code}
> $ accumulo kerberos-migration --include-users=* --exclude-users=root --no-instance --realm=EXAMPLE.COM
> Migrating users matching '*' and not matching 'root'.
> User principals will not have an instance component.
> User principals will be in the realm 'EXAMPLE.COM'
> Found user 'auser', converted to 'auser@EXAMPLE.COM'
> Found user 'another_user', converted to 'another_user@EXAMPLE.COM'
> Found user 'hpnewton', converted to 'hpnewton@EXAMPLE.COM'
> Found user 'root', skipped due to exclusion rule
> {code}



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