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Subject: Re: Review Request 39519: Create a script to change host names for a
 stopped cluster
From: "Vitalyi Brodetskyi" <vbrodetskyi@hortonworks.com>
To: "Myroslav Papirkovskyy" <mpapyrkovskyy@hortonworks.com>,
 "Dmitro Lisnichenko" <dlysnichenko@hortonworks.com>,
 "Sumit Mohanty" <smohanty@hortonworks.com>,
 "Jonathan Hurley" <jhurley@hortonworks.com>
Cc: "Sid Wagle" <swagle@hortonworks.com>,
 "Vitalyi Brodetskyi" <vbrodetskyi@hortonworks.com>,
 "Ambari" <dev@ambari.apache.org>
Date: Thu, 22 Oct 2015 11:49:08 -0000
Message-ID: <20151022114908.1666.10546@reviews.apache.org>
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Sender: "Vitalyi Brodetskyi" <noreply@reviews.apache.org>
References: <20151022052246.1667.33001@reviews.apache.org>
In-Reply-To: <20151022052246.1667.33001@reviews.apache.org>
Reply-To: "Vitalyi Brodetskyi" <vbrodetskyi@hortonworks.com>

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> On Жов. 22, 2015, 5:22 до полудня, Sid Wagle wrote:
> > ambari-server/sbin/ambari-server, line 147
> > <https://reviews.apache.org/r/39519/diff/1/?file=1102446#file1102446line147>
> >
> >     Lets call this update-hostname

Renamed to update-host-names


> On Жов. 22, 2015, 5:22 до полудня, Sid Wagle wrote:
> > ambari-server/src/main/java/org/apache/ambari/server/update/HostUpdateHelper.java, line 174
> > <https://reviews.apache.org/r/39519/diff/1/?file=1102449#file1102449line174>
> >
> >     Should there be an option to updated older configurations and not just the selected ones ?

Need to discuss this with Sumit. I don't think we need that/ Will ask in jira.


> On Жов. 22, 2015, 5:22 до полудня, Sid Wagle wrote:
> > ambari-server/src/main/java/org/apache/ambari/server/update/HostUpdateHelper.java, line 351
> > <https://reviews.apache.org/r/39519/diff/1/?file=1102449#file1102449line351>
> >
> >     What about config group associatons, are those by id ?

There we are using host id.


- Vitalyi


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On Жов. 22, 2015, 11:46 до полудня, Vitalyi Brodetskyi wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/39519/
> -----------------------------------------------------------
> 
> (Updated Жов. 22, 2015, 11:46 до полудня)
> 
> 
> Review request for Ambari, Dmitro Lisnichenko, Jonathan Hurley, Myroslav Papirkovskyy, and Sumit Mohanty.
> 
> 
> Bugs: AMBARI-13507
>     https://issues.apache.org/jira/browse/AMBARI-13507
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> At a high-level we may follow this approach:
> Ensure cluster is not kerberized
> Assume all services to be stopped (add a check to ensure that services are stopped)
> We may also need to check and confirm that there are no commands pending execution - or just mark them as aborted
> Update all host names in the database based on the mapping provided (e.g. host1 --> master01.dev.com)
> As SQLClient cannot be assumed consider using jdbc - similar to the Upgrade code
> Modify all configs to replace the hostnames as needed (not sure if plain search and replace will suffice)
> Agents need to be re-configured if ambari-server hostname changes
> 
> 
> Diffs
> -----
> 
>   ambari-server/sbin/ambari-server 1843cd6 
>   ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java 702e12d 
>   ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java 62c3b61 
>   ambari-server/src/main/java/org/apache/ambari/server/update/HostUpdateHelper.java PRE-CREATION 
>   ambari-server/src/main/java/org/apache/ambari/server/upgrade/AbstractUpgradeCatalog.java ed68313 
>   ambari-server/src/main/python/ambari-server.py 88df81a 
>   ambari-server/src/main/python/ambari_server/hostUpdate.py PRE-CREATION 
>   ambari-server/src/main/python/ambari_server/setupActions.py 6c6e7ea 
> 
> Diff: https://reviews.apache.org/r/39519/diff/
> 
> 
> Testing
> -------
> 
> mvn clean test
> 
> 
> Thanks,
> 
> Vitalyi Brodetskyi
> 
>


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