[jira] [Commented] (AMBARI-2115) Support host unregistration

["Mahadev konar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-2115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13670120#comment-13670120 ] 

Mahadev konar commented on AMBARI-2115:
---------------------------------------

Ximo,
 Can you add more details on the implmenetation? Sorry about the delay on the review. Also, lets say we have a delete hosts api would that satisfy the requirement? 

Removing a host from ambari server would mean getting all the host componenents in MAINTENANCE state and then remove all the host components and the host. Would that be an acceptable soln? 

                
> Support host unregistration
> ---------------------------
>
>                 Key: AMBARI-2115
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2115
>             Project: Ambari
>          Issue Type: New Feature
>          Components: agent, build
>            Reporter: Ximo Guanter
>            Assignee: Ximo Guanter
>             Fix For: 1.3.0
>
>         Attachments: 0001-Add-support-for-host-unregistration.patch, 002-Add-support-for-host-unregistration.patch
>
>
> Right now Ambari is unable to forget a host once it has been registered. This makes is tough to use Ambari in a dynamic cluster environment, where clusters are torn down and machines are reset to a clean state so they can be reused for the next customer.
> If the machine is reset to a clean state without unregistering the host in Ambari, the new Ambari client won't be able to register since its cert won't match the one Ambari server already has for that host.

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