[jira] [Updated] (AMBARI-13240) Kerberos: Allow multiple KDC hosts to be set while enabling Kerberos

["Robert Levas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-13240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Levas updated AMBARI-13240:
----------------------------------
    Fix Version/s:     (was: 2.3.0)
                   2.4.0

> Kerberos: Allow multiple KDC hosts to be set while enabling Kerberos
> --------------------------------------------------------------------
>
>                 Key: AMBARI-13240
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13240
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-agent, ambari-server, ambari-web
>    Affects Versions: 2.0.0
>            Reporter: Robert Levas
>            Assignee: Robert Levas
>            Priority: Minor
>              Labels: kerberos
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-13240_trunk_01.patch, AMBARI-13240_trunk_02.patch
>
>
> Because multiple KDCs may exist for an installation (failover, high availability, etc...), Ambari should allow a user to specify multiple KDC hosts to be set while enabling Kerberos and updating the Kerberos service's configuration.
> This should be done by allowing {{kerberos-env/kdc_host}} to accept a (comma-)delimited list of hosts and then parsing that list properly when building the krb5.conf file where each {{kdc_host}} item generates an entry in the relevant realm block.  For example:
> {noformat:title=kerberos-env}
> {
>   ...
>  "kdc_hosts" : "kdc1.example.com, kdc2.example.com"
>   ...
> }
> {noformat}
> {noformat:title=krb5.conf}
> [realms]
>   EXAMPLE.COM = {
>     ...
>     kdc = kdc1.example.com
>     kdc = kdc2.example.com
>     ...
>   }
> {noformat}



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