gloo-gateway-stream-test.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: stream-server
  namespace: streamtest
spec:
  replicas: 1
  selector:
    matchLabels:
      app: stream-server
  template:
    metadata:
      labels:
        app: stream-server
    spec:
      containers:
        - name: server
          image: node:18
          command: ["node", "-e"]
          args:
            - |
              const http = require('http');
              const server = http.createServer((req, res) => {
                if (req.url === '/events') {
                  res.writeHead(200, {
                    'Content-Type': 'text/event-stream',
                    'Cache-Control': 'no-cache',
                    'Connection': 'keep-alive',
                  });
                  let count = 0;
                  const interval = setInterval(() => {
                    res.write(`data: Hello ${count++}\n\n`);
                  }, 1000);
                  req.on('close', () => clearInterval(interval));
                } else {
                  res.writeHead(404);
                  res.end();
                }
              });
              server.listen(8080);
          ports:
            - containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: stream-server
  namespace: streamtest
spec:
  selector:
    app: stream-server
  ports:
    - name: http
      port: 80
      targetPort: 8080
  type: ClusterIP
---
kind: Gateway
apiVersion: gateway.networking.k8s.io/v1
metadata:
  name: http
  namespace: streamtest
spec:
  gatewayClassName: kgateway
  listeners:
  - protocol: HTTP
    port: 80
    name: http
    allowedRoutes:
      namespaces:
        from: All
---
apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
  name: httpbin
  namespace: streamtest
  labels:
    example: httpbin-route
spec:
  parentRefs:
    - name: http
      namespace: streamtest
  rules:
    - matches:
        - path:
            type: PathPrefix
            value: /events
      backendRefs:
        - name: stream-server
          port: 80
    - matches:
        - path:
            type: PathPrefix
            value: /ws
      backendRefs:
        - name: stream-server
          port: 80