nodejs-cranker-connector

A connector side implementation of cranker.

Usage

1. install dependency

   npm install nodejs-cranker-connector

2. register to cranker gateway as below

   
   // connect to cranker like
   const connector = await connectToRouter({
       targetURI,
       targetServiceName: 'my-service',
       routerURIProvider: () => (["ws://localhost:12002"]),
       slidingWindow: 2
   });
   
   // you can expose connector status in your microservice's health
   // don't expose this to public, it's only for DevOps purpose
   app.get('/health', (req, res) => {
       res.status(200).send({
           component: 'my-service',
           isHealthy: true,
           connector: connector?.status()
       });
   })
   
   // if you need to connect to cranker server with wss, provide the httpsAgent
   const connector = await connectToRouter({
       targetURI,
       targetServiceName: 'my-service',
       routerURIProvider: () => (["wss://localhost:12002"]),
       slidingWindow: 2,
       httpsAgent: new https.Agent({
           rejectUnauthorized: false // demo purpose, don't do this in production!
       })
   });

Development

1. Start cranker server: git clone cranker to your local, running RunLocal.java in it.
2. Start client side: running npm run local

Manual Testing

# GET
curl -k https://localhost:12000/my-service/get

# POST
curl -k -X POST https://localhost:12000/my-service/post \
    -H "Content-Type: application/json" \
    -d '{"name":"hello"}'