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

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-13240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232477#comment-15232477 ] 

Hadoop QA commented on AMBARI-13240:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12797647/AMBARI-13240_trunk_01.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 16 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in ambari-server ambari-web.

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/6308//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/6308//console

This message is automatically generated.

> 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: 2.3.0
>
>         Attachments: AMBARI-13240_trunk_01.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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