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https://issues.apache.org/jira/browse/AMBARI-1560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Mohanty updated AMBARI-1560:
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Attachment: AMBARI-1560.patch
> Upgrade action/task support in server
> -------------------------------------
>
> Key: AMBARI-1560
> URL: https://issues.apache.org/jira/browse/AMBARI-1560
> Project: Ambari
> Issue Type: Sub-task
> Reporter: Sumit Mohanty
> Assignee: Sumit Mohanty
> Fix For: 1.3.0
>
> Attachments: AMBARI-1560.patch
>
>
> Server side definition of the task and its results
> * Version number as a parameter
> * Manage transition to/from UPGRADING/UPGRADE_FAILED
> Upgrade is performed when a service and all its host-component are in
> INSTALLED state. Upgrade preparation step will put all relevant components in
> UPGRADING state and after upgrade is successful the task completion will put
> them back to INSTALLED state.
> If there are any errors then the host-components go into UPGRADE_FAILED state.
> The above states will be used by the FE to infer upgrade status.
> Update current stack version based on Agent task report
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