[jira] [Resolved] (STRATOS-330) GraceFul shutdown for the instances

["reka thirunavukkarasu (JIRA)" <ji...@apache.org>]

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

reka thirunavukkarasu resolved STRATOS-330.
-------------------------------------------

    Resolution: Implemented

> 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 M6
>
>
> 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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