Currency Conversion System in Spring Cloud

Brief about the code or Tech Stack:

• Currency Exchange MySQL Microservice and Currency Conversion Microservice talks via using Zuul API Gateway.

• Zuul API Gateway uses Eureka Name Server.

• Distributed Tracing done through Zipkin and Sleuth

• Hystrix used for Fault Tolerance,

• MySQL DB is used in the Currency Exchange MySQL Microservice => Exchange Value table is created using.

Prerequisite

• One has to download the code.

• MySQL should be working.

• Create DB currency_exchange_value_db and table in it exchange_value

• Code for the same is in link:

For Distributed Tracing:

Rabbit MQ is used. Please download it at link: Please install ErLang before installing rabbitmq. Once you have installed Rabbit MQ

For Running Rabbit MQ In the console, go to the location where you have downloaded *zipkin-server-2.7.0-exec.jar Execute below command (for Windows 10):

set RABBIT_URI=amqp://localhost

java -jar zipkin-server-2.7.0-exec.jar

Eureka Name Server:

API Gateway:

Currency Conversion Microservice

Currency Exchange MySQL Microservice

DB

Distributed Tracing using Zipkin

Checking code flow using Zipkin and sleuth distributed tracing

URL to test the code.

Zipkin http://localhost:9411/zipkin/

Currency Converter Service - Direct Call http://localhost:8100/currency-converter/from/USD/to/INR/quantity/10

Currency Converter Service - Feign http://localhost:8100/currency-converter-feign/from/EUR/to/INR/quantity/10000

Currency Exchange Service MYSQL- http://localhost:9000/currency-exchange/from/EUR/to/INR http://localhost:8001/currency-exchange/from/USD/to/INR

Eureka - http://localhost:8761/

Zuul - Currency Exchange & Exchange Services http://localhost:8765/currency-exchange-service/currency-exchange/from/EUR/to/INR http://localhost:8765/currency-conversion-service/currency-converter-feign/from/USD/to/INR/quantity/10