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From "Anisha Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-2852) Ambari installation and configuration to manage an existing deployed hadoop Cluster
Date Thu, 08 Aug 2013 23:47:48 GMT
Anisha Agarwal created AMBARI-2852:
--------------------------------------

             Summary: Ambari installation and configuration to manage an existing deployed
hadoop Cluster
                 Key: AMBARI-2852
                 URL: https://issues.apache.org/jira/browse/AMBARI-2852
             Project: Ambari
          Issue Type: New Feature
          Components: client
    Affects Versions: 1.4.0
            Reporter: Anisha Agarwal
            Priority: Minor


In case you want to use Ambari for management of a live Hadoop cluster (including monitoring
and eco-system services), without deployment. Ambari assumes it has the control of Hadoop
installation. Suppose there is an existing HDP Hadoop cluster and one wants to install Ambari
to start managing/monitoring Hadoop. The proposal is to allow Ambari installation on the cluster
but bypass the Hadoop (and eco-system) deployment. We should provide the ability to import
the existing configuration without over writing existing setup. 
 
Proposed phases:
1. Provide on Ambari wiki documentation, leveraging Ambari API, all manual steps to configure
Ambari without redeploying Hadoop and its eco-system
2. Provide a template configuration file and one Utility (leaning toward Python script) that
automates the process of important an existing configuration
3. Provide User interface to allow step above via UI

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