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kubernetes-ingress websockets with nodejs
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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); |
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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 |
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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 |
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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 |
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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'); | |
}); |
Author
tbrown1979
commented
Oct 11, 2019
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