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From "Nate Cole (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-18680) Add orchestration for HOST_ORDERED upgrades
Date Thu, 03 Nov 2016 15:35:58 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-18680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nate Cole updated AMBARI-18680:
-------------------------------
    Attachment: AMBARI-18680.patch

> Add orchestration for HOST_ORDERED upgrades
> -------------------------------------------
>
>                 Key: AMBARI-18680
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18680
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>            Reporter: Nate Cole
>            Assignee: Nate Cole
>            Priority: Critical
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-18680.patch
>
>
> Orchestration via UpgradeHelper need to orchestrate via HOSTS instead of the UpgradePack
services.  This will entail:
> * Refactor UpgradeHelper to choose orchestration model
> * Upgrade Pack changes are minimal, StageWrapper and Manual tasks are generated in-code.
> * Determine service check changes (if any)
> * HostGrouping should use the following stages per-host:
> *# Stop command for each component
> *# Manual message to ask to proceed
> *# {{install_packages}} task - ONE per host.  The purpose is to make sure all the symlink
logic already in place is called correctly
> *# START commands for daemons, INSTALL commands for clients, just as a new cluster would
do.



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