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kubernetes-ingress websockets with nodejs
export const ws = webSocket<WebsocketMessage>(`wss://${location.hostname}:${location.protocol === 'https:' ? 443 : 80}/ws/`);
export const wsObserver = ws
.pipe(
retryWhen(errors =>
errors.pipe(
delay(1000)
)
)
);
wsObserver.subscribe(console.log);
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: ingress-service
namespace: <YOUR_NAMESPACE>
annotations:
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/proxy-read-timeout: 3600
nginx.ingress.kubernetes.io/proxy-send-timeout: 3600
spec:
rules:
- http:
paths:
- path: /
backend:
serviceName: client-cluster-ip-service
servicePort: 3000
# Below is the important part!
- path: /ws/
backend:
serviceName: server-cluster-ip-service
servicePort: 40510
apiVersion: v1
kind: Service
metadata:
name: server-cluster-ip-service
namespace: <YOUR_NAMESPACE>
spec:
type: ClusterIP
selector:
component: server
ports:
- port: 40510
targetPort: 40510
# The below line isn't required.
protocol: TCP
apiVersion: apps/v1
kind: Deployment
metadata:
name: server-deployment
namespace: <YOUR_NAMESPACE>
spec:
replicas: 1
selector:
matchLabels:
component: server
template:
metadata:
labels:
component: server
spec:
containers:
- name: server
image: <YOUR_DOCKER_IMAGE>
ports:
- containerPort: 40510
import { Server as WebSocketServer } from 'ws';
// IMPORTANT: not a secure connection
const wss = new WebSocketServer({
path: '/ws/',
port: 40510,
});
wss.on('connection', function (ws) {
console.log('connection!');
});
wss.on('close', function close() {
console.log('ws disconnected');
});
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