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From "Sumit Mohanty (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-12002) Support ordered component installs.
Date Thu, 18 Jun 2015 17:08:00 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-12002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14592115#comment-14592115
] 

Sumit Mohanty commented on AMBARI-12002:
----------------------------------------

[~jackson], for now a work-around will be to install the cluster and then use Add Service
or Add Component to add the custom service.

> Support ordered component installs. 
> ------------------------------------
>
>                 Key: AMBARI-12002
>                 URL: https://issues.apache.org/jira/browse/AMBARI-12002
>             Project: Ambari
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>         Environment: HDP2.2, RHEL6
>            Reporter: Christopher Jackson
>
> When defining a custom service it may involve a component which needs to modify another
component. As such the order in which components install becomes important. This could be
achieved by looking at the list of dependencies for a given component. It should enforce that
all components listed as dependencies with a scope of host are installed prior to the given
component. 
> Per Sumit Mohanty, 'Its easy to implement an install order as well - basically call the
same helper method as done for START.'
> In my use case I have CUSTOM_SERVICE/CUSTOM_CLIENT that has a scope:host dependency on
HDFS/HDFS_CLIENT and HBASE/HBASE_CLIENT, I would expect HDFS_CLIENT and HBASE_CLIENT to install
before CUSTOM_CLIENT.



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