reka thirunavukkarasu created STRATOS-330:
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Summary: GraceFul shutdown for the instances
Key: STRATOS-330
URL: https://issues.apache.org/jira/browse/STRATOS-330
Project: Stratos
Issue Type: Improvement
Components: Cartridge Agent, 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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