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From "reka thirunavukkarasu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (STRATOS-330) GraceFul shutdown for the instances
Date Fri, 03 Jan 2014 05:40:50 GMT

     [ https://issues.apache.org/jira/browse/STRATOS-330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

reka thirunavukkarasu updated STRATOS-330:
------------------------------------------

    Component/s: Cloud Controller
                 Autoscaler

> GraceFul shutdown for the instances
> -----------------------------------
>
>                 Key: STRATOS-330
>                 URL: https://issues.apache.org/jira/browse/STRATOS-330
>             Project: Stratos
>          Issue Type: Improvement
>          Components: Autoscaler, Cartridge Agent, Cloud Controller, Stratos Manager
>    Affects Versions: 4.0.0 M5
>            Reporter: reka thirunavukkarasu
>            Assignee: reka thirunavukkarasu
>             Fix For: 4.0.0 Alpha
>
>
> When an instance gets terminated via autoscaler in the case of scale down or unsubscribe,
it is required to clean up the data in the instance before performing the actual termination
of the instance. In order to achieve this with stratos:
> * Autoscaler will call the SM to notify the termination to the instances
> * SM will send the notification to the specific instance via instance.notifier topic.
> * Instance will receive the event and perform the cleanup task and then send another
event as ReadyToTerminate to instance.status topic
> * CC will receive the event and terminate the instance.



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