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From "Di Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-18102) Preinstall check for blueprint-based cluster deployment
Date Wed, 10 Aug 2016 14:38:20 GMT
Di Li created AMBARI-18102:
------------------------------

             Summary: Preinstall check for blueprint-based cluster deployment
                 Key: AMBARI-18102
                 URL: https://issues.apache.org/jira/browse/AMBARI-18102
             Project: Ambari
          Issue Type: New Feature
          Components: ambari-server
    Affects Versions: trunk
            Reporter: Di Li
             Fix For: trunk
         Attachments: Installation_precheck_blueprint_design_doc.pdf, Installation_precheck_blueprint_use_cases.pdf

There are limited validations against blueprint and the cluster creation template when a user
deploys a cluster via blueprint. 

More host level checks before actually deploying the cluster would be beneficial as users
do not need to sit thru the deploy only to find out errors at the end. Users can rerun the
checks multiple times after fixing issues on given hosts or correcting configuration values
in the blueprint.

This JIRA proposes a Python script based design including a central script on the Ambari server
and a Custom Action script on each Ambari Agent node to run checks based on property values
defined in the blueprint. Right now the checks are checking ports and directories.



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