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Architecture

System architecture as a global gAPI functional architecture
System Architecture Functional Architecture

gAPI is composed by several components:

  1. Service Discovery (SD) - where all APIs and MicroServices are stored. The storage can be done to MongoDB or JSON file (to reduce dependencies)
  2. Request Logging - this component is responsible for logging all requests information. It uses RabbitMQ to publish new logs to a queue. This component also contains a listener/consumer which is listening from RabbitMQ and stores logs to ElasticSearch
  3. API - allows to access gAPI features:
    • Register, list, find or delete a MicroService
    • Get request analytics
    • Authenticate user on gAPI services
  4. OAuth authenticator - responsible for authenticating users on MicroServices. This component uses an external oauth server to validate token.
  5. Proxy - responsible for requesting the correct microservice when a new requests comes.
  6. Authentication - gAPI Authentication service.