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From "Imesh Gunaratne (JIRA)" <j...@apache.org>
Subject [jira] [Created] (STRATOS-99) Implement Topology Events
Date Sat, 12 Oct 2013 07:22:41 GMT
Imesh Gunaratne created STRATOS-99:
--------------------------------------

             Summary: Implement Topology Events
                 Key: STRATOS-99
                 URL: https://issues.apache.org/jira/browse/STRATOS-99
             Project: Stratos
          Issue Type: Sub-task
    Affects Versions: 4.0.0
            Reporter: Imesh Gunaratne
            Assignee: Imesh Gunaratne
             Fix For: 4.0.0


According to the new architecture, Stratos modules communicate with each other via the message
broker when pub/sub type messaging is required. Topology is a data structure which is updated
by the Cloud Controller and required by Load Balancers, Artifact Distribution Coordinator,
Auto-scaler, Complex Event Processor, etc. Therefore topology could be distributed in Stratos
eco-system via a topic in the message broker.

These messages could be designed in a way where each message represents an topology event.

Proposed Topology Events:
- Service Created Event
- Cloud Created Event
- Region Created Event
- Cluster Created Event
- Member Added Event
- Member Started Event
- Member Activated Event
- Member Suspended Event
- Member Removed Event
- Cluster Removed Event
- Region Removed Event
- Cloud Removed Event
- Service Removed Event
- Topology Updated Event



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