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From "Tim Thorpe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-12885) Dynamic stack extensions - install and upgrade support for custom services
Date Tue, 08 Dec 2015 13:24:11 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-12885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tim Thorpe updated AMBARI-12885:
--------------------------------
    Attachment: Dynamic Stack Extensions - High Level Design v4.pdf

> Dynamic stack extensions - install and upgrade support for custom services
> --------------------------------------------------------------------------
>
>                 Key: AMBARI-12885
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12885
>             Project: Ambari
>          Issue Type: New Feature
>          Components: ambari-agent, ambari-server, ambari-web
>            Reporter: Tim Thorpe
>            Assignee: Tim Thorpe
>         Attachments: Dynamic Stack Extensions - High Level Design v4.pdf
>
>
> The purpose of this proposal is to facilitate adding custom services to an existing stack.
 Ideally this would support adding and upgrading custom services separately from the core
services defined in the stack.  In particular we are looking at custom services that need
to support several different stacks (different distributions of Ambari).  The release cycle
of the custom services may be different from that of the core stack; that is, a custom service
may be upgraded at a different rate than the core distribution itself and may be upgraded
multiple times within the lifespan of a single release of the core distribution.    
> One possible approach to handling this would be dynamically extending a stack (after
install time).  It would be best to extend the stack in packages where a stack extension package
can have one or more custom services.



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