loong

loong is a api gateway. This project is my graduation project. The project now has the following features.

• Simple HTTP traffic forwarding
• Simple request validate(Header, JWT)
• Utilizing pipeline mechanisms to schedule flows
• Implement hot reloading
• IP filtering
• RateLimit
• Mocker

Next planned features(after I write my paper or after I finish it):

• Protocol Transform
• Support for more filters
• ...

usage

If you want to try it, first create the temp directory in the project root and create the pipeline and trafficgate directories.

Build the following file under traffic.

name: trafficGate-demo
kind: HTTPServer
port: 10080
ipFilter:
  allowIPs:
    - 127.0.0.1
  blockIPs:
    - 1.1.1.1
paths:
  - path: /ping
    backend: pipeline-ping
    methods: 
      - GET
      - POST
      - PUT
    ipFilter:
      allowIPs:
      blockIPs:

  - path: /demo
    backend: pipeline-demo

Build the following file under pipeline.

name: pipeline-ping
kind: Pipeline
# flow field express handle process for traffic
flow:
  - filter: validator-demo
    jumpIf: 
      invalid: END
  - filter: proxy-demo

filters: 
  - name: validator-demo
    kind: Validator
    headers:
      Content-Type:
        values: 
          - application/json
    jwt:
      algorithm: HS256
      secret: 6d7973656372657

  - name: proxy-demo
    kind: Proxy
    pool: 
      - url: http://127.0.0.1:9096
      - url: http://127.0.0.1:9095
    loadBalance:
      policy: random

Then you should build this project in linux. You can run the following command. (Your go version needs to be greater than 1.22)

make
./bin/server

if you change your configuration, You just need to run the following command to reload the configuration.

./bin/client -reload

The above two configuration files basically contain the relevant functions of the gateway currently implemented.

reference projects

• https://github.com/easegress-io/easegress
• https://github.com/zehuamama/balancer
• https://github.com/ermanimer/apigateway