使用nginx入口的Kubernetes集群中的Websocket连接
我试图在Kubernetes集群中运行的服务器上建立一个简单的websocket连接 Websocket连接可以在我的本地测试机器上建立,但在使用nginx ingress部署到GKE后,我无法将客户端连接到服务器 入口yaml文件:使用nginx入口的Kubernetes集群中的Websocket连接,kubernetes,websocket,nginx-ingress,Kubernetes,Websocket,Nginx Ingress,我试图在Kubernetes集群中运行的服务器上建立一个简单的websocket连接 Websocket连接可以在我的本地测试机器上建立,但在使用nginx ingress部署到GKE后,我无法将客户端连接到服务器 入口yaml文件: apiVersion: extensions/v1beta1 kind: Ingress metadata: name: ingress-service annotations: kubernetes.io/ingress.class: nginx
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: ingress-service
annotations:
kubernetes.io/ingress.class: nginx
nginx.org/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/rewrite-target: /
nginx.ingress.kubernetes.io/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/proxy-send-timeout: "1800"
nginx.ingress.kubernetes.io/proxy-read-timeout: "1800"
spec:
rules:
- host: my-socket.com
http:
paths:
- path: /
backend:
serviceName: socket-cluster-ip-service
servicePort: 3000
- host: www.my-socket.com
http:
paths:
- path: /
backend:
serviceName: socket-cluster-ip-service
servicePort: 3000
apiVersion: v1
kind: Service
metadata:
name: socket-cluster-ip-service
spec:
type: ClusterIP
selector:
component: socket
ports:
- port: 3000
targetPort: 3000
apiVersion: apps/v1
kind: Deployment
metadata:
name: socket-deployment
spec:
replicas: 1
selector:
matchLabels:
component: socket
template:
metadata:
labels:
component: socket
spec:
containers:
- name: socket
image: gcr.io/my-socket/socket
ports:
- containerPort: 3000
服务yaml文件:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: ingress-service
annotations:
kubernetes.io/ingress.class: nginx
nginx.org/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/rewrite-target: /
nginx.ingress.kubernetes.io/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/proxy-send-timeout: "1800"
nginx.ingress.kubernetes.io/proxy-read-timeout: "1800"
spec:
rules:
- host: my-socket.com
http:
paths:
- path: /
backend:
serviceName: socket-cluster-ip-service
servicePort: 3000
- host: www.my-socket.com
http:
paths:
- path: /
backend:
serviceName: socket-cluster-ip-service
servicePort: 3000
apiVersion: v1
kind: Service
metadata:
name: socket-cluster-ip-service
spec:
type: ClusterIP
selector:
component: socket
ports:
- port: 3000
targetPort: 3000
apiVersion: apps/v1
kind: Deployment
metadata:
name: socket-deployment
spec:
replicas: 1
selector:
matchLabels:
component: socket
template:
metadata:
labels:
component: socket
spec:
containers:
- name: socket
image: gcr.io/my-socket/socket
ports:
- containerPort: 3000
部署yaml文件:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: ingress-service
annotations:
kubernetes.io/ingress.class: nginx
nginx.org/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/rewrite-target: /
nginx.ingress.kubernetes.io/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/proxy-send-timeout: "1800"
nginx.ingress.kubernetes.io/proxy-read-timeout: "1800"
spec:
rules:
- host: my-socket.com
http:
paths:
- path: /
backend:
serviceName: socket-cluster-ip-service
servicePort: 3000
- host: www.my-socket.com
http:
paths:
- path: /
backend:
serviceName: socket-cluster-ip-service
servicePort: 3000
apiVersion: v1
kind: Service
metadata:
name: socket-cluster-ip-service
spec:
type: ClusterIP
selector:
component: socket
ports:
- port: 3000
targetPort: 3000
apiVersion: apps/v1
kind: Deployment
metadata:
name: socket-deployment
spec:
replicas: 1
selector:
matchLabels:
component: socket
template:
metadata:
labels:
component: socket
spec:
containers:
- name: socket
image: gcr.io/my-socket/socket
ports:
- containerPort: 3000
快速服务器代码:
...
var server = http.createServer(app);
const WebSocket = require('ws');
const wss = new WebSocket.Server({ server: server });
wss.on('connection', function connection(ws) {
console.log("new connection", ws)
ws.on('message', function incoming(message) {
console.log('received: %s', message);
});
ws.send('something');
});
...
客户端代码:
var ws = new WebSocket('ws://www.my-socket.com/');
ws.onopen = () => {
// connection opened
ws.send('something'); // send a message
};
ws.onmessage = (e) => {
// a message was received
console.log(e.data);
};
ws.onerror = (e) => {
// an error occurred
console.log(e.message);
};
ws.onclose = (e) => {
// connection closed
console.log(e.code, e.reason);
};
我一直从客户端收到错误消息“Invalid Sec WebSocket Accept response”。但我认为这只是因为客户端无法与服务器建立websocket连接
我使用的服务器端库是
根据和的建议,我已将以下注释添加到我的ingress yaml文件中,但它仍然不起作用:
nginx.org/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/websocket-services : "socket-cluster-ip-service"
nginx.ingress.kubernetes.io/proxy-send-timeout: "1800"
nginx.ingress.kubernetes.io/proxy-read-timeout: "1800"
对我来说,它就像一个符咒
我正在使用 香港码头工人kubernetes入口控制器.bintray.io/香港入口控制器:0.9.0 在我的私人kubernetes群集上。
因此,您的问题可能与GCE有关 还请检查您的TLS配置。
在您的帖子中,您提到了
ws://…
,而不是wss://
,这表明您甚至没有使用TLS。这可能会被您的浏览器拒绝(例如Chrome)