wesleyegberto/spring-cloud-study

Spring Cloud projects from my study

Spring Cloud + Netflix Stack

Projects

• Karyon
• Spring Cloud Gateway
• Eureka Server and Clients
• Hystrix and Dashboard

Complete Scenario

Infra Components

• RabbitMQ
  • Will store the events from API's hystrix.
• Eureka Server
  • Registry server to our service register themselves;
  • Will be used by Zuul to proxy ingoing request.
• Zuul Server
  • Our API Gateway;
  • Query the Eureka server to get the registered services and create proxies for each one.
• Turbine Streamer
  • The Turbine server to aggregate the metrics from state of hystrix commands.
• Monitor Dashboard
  • The dashboard to visualize metrics.

Business Components

• Stock Service
  • Our Stock API.
• Store Service
  • Our Store API that consumes Stock API.

Usage

RabbitMQ

• Access: http://localhost:15672/#/queues
  • User: guest
  • Password: guest

Turbine Stream

• Access: http://localhost:8989/turbine.stream

Dashboard Monitor

• Access: http://localhost:7979/hystrix
  • Usar URL do Turbine Stream que é exibida no dashboard do Eureka

Eureka

• Access: http://localhost:8761/
• Request: GET http://localhost:8761/eureka/apps

Zuul

• Request some api: http://localhost:8080/<service_name>/<path>
• Access page with links: http://localhost:8080/
• Hystrix stream: GET http://localhost:8080/actuator/hystrix.stream

Stock Service:

• Direct request: GET http://localhost:8090/stocks/products/123/available
• Gateway request: GET http://localhost:8080/stock-service/stocks/products/123/available

Store Service:

• Direct request: GET http://localhost:8095/store/order/item/123
• Gateway request: GET http://localhost:9090/store-service/store/order/item/123
• Hystrix stream: GET http://localhost:8095/actuator/hystrix.stream

Generating Métrics

• ab -n 1000 -c 20 http://localhost:8080/stock-service/stocks/products/123/available
• ab -n 1000 -c 20 http://localhost:8080/store-service/store/order/item/123