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Date: Tue, 9 Dec 2014 21:00:12 +0000 (UTC)
From: "Jaimin D Jetly (JIRA)" <jira@apache.org>
To: dev@ambari.apache.org
Message-ID: <JIRA.12753131.1415214097000.112743.1418158812346@Atlassian.JIRA>
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Subject: [jira] [Commented] (AMBARI-8166) Implement custom command for
 checking connectivity to KDC, via REST API
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    [ https://issues.apache.org/jira/browse/AMBARI-8166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14240051#comment-14240051 ] 

Jaimin D Jetly commented on AMBARI-8166:
----------------------------------------

[~rpidva] [~rlevas]
We can descope this ticket to perform connectivity check (host:port) from only ambari-server host to KDC server host as the first step in this direction. This check will validate that KDC host is reachable and resolvable from ambari-server host and daemon is running on KDC port (user specified) on KDC host (user specified).


> Implement custom command for checking connectivity to KDC, via REST API
> -----------------------------------------------------------------------
>
>                 Key: AMBARI-8166
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8166
>             Project: Ambari
>          Issue Type: New Feature
>          Components: ambari-agent, ambari-server
>    Affects Versions: 2.0.0
>            Reporter: Robert Levas
>            Assignee: Rishi Pidva
>              Labels: connectivity_, kdc, kerberos
>         Attachments: Screen Shot 2014-11-04 at 11.16.41 PM.png
>
>
> There needs to be a way, given the details about a KDC to verify that Ambari and (optionally) the nodes in the existing cluster can connect to it. 
> From the cluster hosts, this test should test that the address and port combinations are reachable. 
> From the Ambari server, this test should make sure the administrator credentials allow at least read access to the KDC.
> As an example of a similar action, see how Oozie does this for DB check pre install.


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