Di Li created AMBARI-18102:
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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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