AWS EventBridge

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 AWS Eventbridge




AWS EventBridge - 
  • Extention of CloudWatch => Events
  • Event buses types - 
  • Default event bus - events from AWS services are sent to this
  • Partner event bus - receive events from external SaaS Application
  • Custom event bus - for your own application
  • Event rules - how to processs the events 
  • Event buses support cross-account access
  • Cron Jobs - when creating an EB rule, we can select "schedule" instead of event pattern to trigger an event based on a cron expression
  • Can archieve events (all or based on a filter ) sent to an event bus to replay later 
  • EventBridge is recommended for decoupling application that reacts to events from third-party SaaS applications  


Schema Registry - 
  • Defines how the data is structured in the event bus 
  • Schema can be versioned 

Event Bus Policy - 
  • Manage permission for an event 
  • Useful to allow or deny events from another AWS account or region



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