API Gateway Project

Jia Xin and Yashma

Project Summary

This project is an API Gateway implementation that serves as a centralized entry point for accessing and managing multiple backend services. The API Gateway acts as a mediator between clients and the backend services, providing a unified interface and offering various features such as load balancing, request transformation, and service discovery.

USER GUIDE

To clone the repository, use this command on terminal:

git clone https://github.com/yashma-sonara/API_Gateway

To start Hertz Server

Navigate into Hertz_Demo folder

Run following command:

• go run main.go

To start nacos server:

Follow Guide to Install nacos:

https://nacos.io/en-us/docs/quick-start.html

Navigate into nacos directory

• cd distribution/target/nacos-server-[version]/nacos/bin OR
• cd nacos/bin

Run the following command to start nacos:

• Windows
  • startup.cmd -m standalone
• Linux/Mac
  • sh startup.sh -m standalone

To register RPC servers:

1. Open a new terminal
2. Navigate to RPC_Server directory
3. Run following command:

• Windows:
  • bash build.sh
  • bash output/bootstrap.sh
• Linux/Git Bash:
  • sh build.sh
  • sh output/bootstrap.sh

You can view nacos registered services on: http://localhost:8848/nacos

Send a HTTP request to the server

Open a new terminal

Run following command:

• request to call backend server:

  curl -X GET "http://localhost:8888/ServiceA/methodB" -d "{"userId":"12312", "message":"Hello World!"}" -H "Content-type:application/json"

• request to update IDL:

  curl -X [HTTP_REQUEST_METHOD] http://localhost:8888/[serviceName]/ -d “{\“file\”:\”[idl_filepath]\”}” -H "Content-Type: application/json"

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