[jira] [Assigned] (AMBARI-18102) Preinstall check for blueprint-based cluster deployment

["Di Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-18102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Di Li reassigned AMBARI-18102:
------------------------------

    Assignee: Di Li

> 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
>            Assignee: 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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