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