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https://issues.apache.org/jira/browse/RANGER-827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bolke de Bruin updated RANGER-827:
----------------------------------
    Attachment: 0002-RANGER-827-Improve-unix-usersync.patch

This version of the patch add back file based synchronization. The extra option 
of "ranger.usersync.unix.backend" defaults to "passwd" and thus the old 
behavior. If changed to "nss", the standard mechanism is used.

I suggest removing this feature in the future.

> Use system supplied mechanism to get users and groups on unix
> -------------------------------------------------------------
>
>                 Key: RANGER-827
>                 URL: https://issues.apache.org/jira/browse/RANGER-827
>             Project: Ranger
>          Issue Type: Improvement
>          Components: usersync
>    Affects Versions: 0.5.1
>            Reporter: Bolke de Bruin
>              Labels: integration, pam, sssd, sync
>             Fix For: 0.6.0
>
>         Attachments: 0001-RANGER-827-Improve-unix-usersync.patch, 
> 0002-RANGER-827-Improve-unix-usersync.patch, usersync.patch
>
>
> The unix user sync currently reads /etc/passwd /etc/groups . This is often 
> not a reflection of users and groups available on a system especially when 
> nsswitch is configured (eg. sssd, ldap etc).
> Secondly in some cases groups will contain user names that are not returned 
> with "getent passwd", especially "external users" and it is required to add 
> these using the group information.



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