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Difference between revisions of "Monasca/Message Schema"

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There are several messages that are published and consumed by various components in Monasca via the MessageQ.
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Revision as of 01:51, 14 January 2015

There are several messages that are published and consumed by various components in Monasca via the MessageQ.

Message Produced By Consumed By Kafka Topic Description
Metric API, Transform and Aggregation Engine Persister, Threshold Engine metrics A metric sent to the API or created by the Transform Engine, Event Engine or Anomaly Engine is published to the MessageQ.
AlarmDefinitionCreatedEvent API Threshold Engine events When an alarm definition is created by the API an AlarmDefinitionCreatedEvent is published to the MessageQ.
AlarmDefinitionDeletedEvent API Threshold Engine events When an alarm definition is deleted by the API an AlarmDefinitionDeletedEvent is published to the MessageQ.
AlarmDefinitionUpdatedEvent API Threshold Engine events When an alarm definition is updated by the API an AlarmDefinitionUpdatedEvent is published to the MessageQ.
AlarmCreatedEvent Threshold Engine events When an alarm is created by the Threshold Engine an AlarmCreatedEvent is published to the MessageQ.
AlarmDeletedEvent API Threshold Engine events When an alarm is deleted by the API an AlarmDeletedEvent is published to the MessageQ.
AlarmUpdatedEvent API Threshold Engine events When an alarm is updated by the API an AlarmUpdatedEvent is published to the MessageQ.
AlarmStateTransitionedEvent Threshold Engine Notification Engine, Persister alarm-state-transitions When an alarm transitions from the OK to Alarmed, Alarmed to OK, ..., this event is published to the MessageQ and persisted by the persister and processed by the Notification Engine. The Monitoring API can query the history of alarm state transition events.
AlarmNotification Notification Engine Persister alarm-notifications This event is published to the MessageQ when the notification engine processes an alarm and sends a notification. The alarm notification is persisted by the Persister and can be queried by the Monitoring API. The database maintains a history of all events.